Marinette Dupain-Cheng/Relationships

Sabrina Raincomprix
Marinette isn't close to Sabrina, but she feels bad that Chloé abuses her so unfairly. In "The Evillustrator", when she stands up for Sabrina, she is surprised that Sabrina immediately tries to befriend her, including doing her geography homework for her, much to her discomfort. Because she agrees to go to a party with the Evillustrator in order to defeat him, she sadly tells Sabrina that working on the presentation later at night won't work, which greatly upsets Sabrina, and she is hurt when Sabrina accuses her of being just like Chloé. After that, Sabrina usually follows Chloé in bullying Marinette, which upsets her. But on occasion, Marinette does show kindness to Sabrina, such as when she frees her hand from the magic box in "Darkblade" and in "A Christmas Special" when she gives her a Christmas log.

As Ladybug, Marinette is less annoyed with protecting her than Chloé and she is thankful for help at times. In "Catalyst", after Sabrina was deakumatized she has embraced her relieved she was around and when she heard that Sabrina was spread the word about what really happened Ladybug thanked her.

Manon Chamack
Manon, being a child with an energetic and outgoing personality is tiring for Marinette, who doesn't have experience with having siblings or skill with bonding with younger children. No matter how exhausting it is to take care of Manon, Marinette does care for her and her safety, promising to her as Ladybug that she'll save her and Alya from the ice dome they're trapped in and trying to change her back to normal when she is turned into the Puppeteer by Hawk Moth. She will often call Alya to help her babysit Manon, as seen in the episode "Prime Queen", as Alya helped on that day and the day after.

Rose Lavillant
Being friends with Rose since at least the previous school year, Marinette likes hanging out with her, and she encourages and supports her when needed. To cheer Rose up in "The Notebook", Marinette compliments her journal and draws a picture of a rose in Rose's journal.

In "Gigantitan", she is surprised that Rose and the others already know of Marinette's crush on Adrien and approves of it. She appreciates Rose's support during the girls' plans to set up her with Adrien, and as Ladybug, she praises her for helping her out of the villain's grip. She does enjoy hanging out with her on several occasions seen in "Gorizilla", "Captain Hardrock", "Syren" and "Frightningale".

In "Friends", she writes finds Rose romantic, being the one who always sees the silver lining.

Juleka Couffaine
Juleka is also one of Marinette's friends since at least the previous school year, and Marinette cares for her, even though she sometimes is hard to understand due to her shyness. In "Reflekta", Marinette is determined to help Juleka get a good photo of herself, driven enough to defy Chloé and Sabrina's efforts of ruining Juleka's chances of being in the class photo.

She is surprised that Juleka reveals she knows that she has a crush on Adrien in "Gigantitan", but she is thankful for Juleka's support and encouragement. She praises her as Ladybug for helping her out of the villain's grip. She does enjoy hanging out with her on several occasions, like in "Gorizilla", "Captain Hardrock" and "Frightningale".

Mylène Haprèle
Being Mylène's friend and classmate, Marinette enjoys hanging out with her, and she supports her in any way possible, vouching for Mylène's role in the movie in "Horrificator". As Ladybug, she also helped her and Ivan become a couple.

In "Gigantitan", Mylène's knowledge of Marinette's crush on Adrien is a shock to Marinette, but she cherishes Mylène's willingness to her try to get together with Adrien and, when fighting as Ladybug, helping distract Gigantitan so she can escape. She does enjoy hanging out with her on several occasions, like in "Gorizilla" and "Captain Hardrock".

She comments in "Friends" that she finds Mylène expressive with her feelings.

Alix Kubdel
Marinette views Alix as a friend, cheering her on during a race against Kim in "Timebreaker" and feeling terrible for her watch getting broken.

Alix knowing about her attraction to Adrien surprises her, but she is grateful for Alix's assistance with Alya's plan to get her and Adrien together. She does enjoy hanging out with her on several occasions, like in "Syren" and "Frightningale".

In "Friends", she states that Alix is very brave, being the type who never backs down from a challenge.

As Ladybug, she accepted Alix's help in "Reverser", on stopping the villain with her clumsiness making it difficult to fight.

Lê Chiến Kim
Marinette and Kim are friends, having known each other since at least the previous year at school. In "Animan", he asks her if she'd like to join him and Max at the zoo, but she politely declines since she came with Alya and was waiting for Nino and Adrien. He is surprised at her skills in "Gamer", as she was able to beat Max's score. She also encourages him to give his crush his gift in "Dark Cupid", which he appreciates, although she is unaware his crush is Chloé.

She shows great concern for him whenever he is in danger, such as in "Befana", when he gets turned into a coal statue after sacrificing himself to save her or in "Syren", when he is taken away by the titular villain.

In "Party Crasher", Ladybug meets Kim's alter ego King Monkey after she and the other heroes were set free and work well together defeating the party villain. Afterward, she could be aware of Kim's identity when he returned the Monkey Miraculous thanking him for his help.

Ivan Bruel
In "My Birthday Party", Marinette admits that Ivan is a "bit of an old grump," but he is nice to her, which she appreciates. When she realizes that Ivan has feelings for Mylène that he is scared to act on in "Ladybug & Cat Noir" and "Stoneheart", she encourages him to tell her how he feels, believing the two were made for each other but weren't aware of it yet. She is happy for them after she shares Ivan's song lyrics with Mylène, who responds warmly.

Nathaniel Kurtzberg
Marinette is friends with Nathaniel since at least the previous school year and thinks he is an excellent artist, but she never expected him to have a crush on her until Chloé reveals it to everyone in "The Evillustrator". She agrees with him (while he is Evillustrator) that Chloé is egotistical and mean, and she gets frustrated when he accuses her of being just like Chloé after she reveals that she teamed up with Cat Noir to stop him. Nathaniel is temporarily upset at her accusing others, including himself, of stealing Chloé's bracelet in the episode "Rogercop", but Marinette did not mean to hurt anyone's feelings. In "My Birthday Party", she does not mention Nathaniel, but he is invited to her birthday party in "Befana", and works with their friends to protect her.

In "Reverser", after seeing that Nathaniel and Marc have a lot in common, she tries to set them up as partners to make comic together. However, through a misunderstanding, Nathaniel becomes upset with her when he believes she was using Marc to tease him. After everything was cleared up, she is grateful that he forgave her and remained friends with her.

Gina Dupain
Marinette loves her grandmother, but because she rarely sees her, she tries her best to please her when she visits, like pretending to like candies that Gina gives to her. Gina's view of Marinette as a younger girl is exasperating to Marinette, but she feels bad when she realizes that she upset her grandmother by leaving her for her surprise birthday. As she later tells Gina, while pleased that she is recognizing her as having grown up, she legitimately enjoys hanging out with her, knowing anytime with them together is memorable.

In "Heroes' Day", as Ladybug she sees grandmother offer her support in the Paris rebellion by telling her that everyone in Paris is on the side of the heroes.

Kagami Tsurugi
Marinette immediately recognizes Kagami's talent when she and Adrien start dueling in "Riposte", and she is as surprised as Adrien to find out Kagami is a female. Albeit very minor, she exhibits jealousy about both Kagami's skill and her gender in relation to Adrien when dealing with her akumatization as Riposte. Unsure of her call on Adrien and Kagami's match, she regrets making it as she sees Kagami's defeated reaction. Once Kagami is brought back to normal from her akumatization, Ladybug supports Adrien in apologizing to her by giving Kagami's saber to him and bears no ill toward her.

During "Frozer", Marinette does harbor a little grudge against Kagami when she thought Adrien had a crush on her and secretly called her "Ice Queen" and yet she does take her advice about being less hesitant.

She does harbor some jealously towards Kagami and that can be seen both in "Backwarder" and "Animaestro" when she sees her hanging around Adrien. After she finds out that both Adrien and Kagami are going to spend the weekend in London for the royal wedding, Marinette asks her friends' for help in order to try to prevent the two of them of becoming even closer during the event. This jealousy is so strong that even drove her to team up with Chloé to try to separate her from Adrien once they discovered that they would sit together during the premiere of the new animated movie of Ladybug and Cat Noir.

Luka Couffaine
Marinette and Luka first meet in "Captain Hardrock". At first, Marinette is startled by him and stutters when she speaks to him, but she warms up to him as she listens to him play the guitar. She also spends time with him at the ice rink in "Frozer" and gave him a thank you kiss for his support and was encouraged by him to talk with Adrien.

In "Silencer", she works with Luka to promote their band and comes across Bob looking for new talent. While working on a music video, Marinette can’t help but blush every time Luka looks at her. When the band discovers that Bob has stolen their ideas to give to XY, Marinette and Luka sneak into TVi studio and confront Bob and XY. Eventually, after Bob threatens Marinette, Luka gets akumatized into Silencer, much to Marinette’s shock. When he says that he will restore justice, Marinette tells him that what he is doing is revenge, not justice, but Silencer doesn’t listen to her. However, she is shocked when he makes a declaration of love towards her before taking off. After Silencer’s defeat, Marinette asks Luka if he really meant what he said when akumatized. Though Luka doesn’t remember, he makes another love declaration using the exact words he said as Silencer, causing Marinette to blush.

As Ladybug in "Captain Hardrock", she blushes at Luka's compliment about her alter ego being very brave.

Like Cat Noir, she works well with his alter ego Viperion and is opened to his ideas and suggestions as well as in "Party Crasher".

Plagg
Marinette officially meets Plagg in "Style Queen", quickly aware that he is Cat Noir's kwami. She doesn't want him to risk using his powers dangerously, but she appreciates his help in defeating Style Queen, and she gets relieved when he reassures her that Cat Noir will be back next time.

After having their memories erased in "Oblivio", Marinette meets Plagg again but like Tikki she is afraid of him.

Nathalie Sancoeur/Mayura
Marinette and Nathalie don't interact much and is aware that she is Gabriel's assistant and treats her with respect.

She is unaware that Nathalie is Mayura and secretly hates her alter ego wishing to end her reign. But aware that she is Hawk Moth's partner, at first Ladybug knew of her existence in "Mayura" and "Reflekdoll". The two officially meet in "Miraculer", when she tried to convince Chloé to join her and Hawk Moth.