The relationships that Diana Meade has with various characters throughout the series.
- Main article: Diana and Charles
She wasn't aware that he's not her real father, but has a very close relationship with her step-father and he loves her very much. Charles knows his daughter enough to know that she would leave the Meade Book of Shadows at the Circle's hideout, where it would be safest. Charles is very protective of his daughter and he makes this fact very clear to Dawn Chamberlain. However, when her grandmother Kate comes to town, she actually tells Charles that Adam and Diana broke up, when he didn't know anything.
- Main article: Diana and Kate
Diana was close to her step-grandmother and would tell her about her break up with Adam. Diana introduced Cassie to her. She told Cassie to trust her grandmother. She became disappointed with her grandmother when she tried to kill Cassie and was glad that she's gone.
- Main article: Cassie and Diana
Diana greets Cassie warmly when she arrives and shows great care towards wanting to delay telling Cassie about her being a witch, because she is still dealing with her mothers death. Even after she notices Cassie's connection with her boyfriend she doesn't blame her and continues to try to be friends with Cassie who rejects her friendship at first but later accepts it at the end of Loner. In Wake, after she breaks up with Adam, she goes to Cassie who comforts her and later tries to help Adam get back together with her in the season one episode Masked when Luke is about to kill Diana, Cassie unknowingly unleashes her dark magic killing him to protect Diana, showing that Cassie cares about Diana and their growing friendship. In Crystal, Cassie figured out that Diana is her the other Blackwell in the circle and her sister.
- Main article: Diana and John
Diana and Cassie found out that their father has four more children coming to Chance Harbor. She has another half sister and three half brothers. John wanted them to bound to form a Balcoin circle of his six children. She received a mark on her hand like John, Cassie and her other siblings.
Main article: Diana and AdamHe is Diana's ex-boyfriend and her best friend at the beginning of the series. Diana is in love with Adam and he is in love with her as well, but after Cassie's arrival in town their relationship takes a major fall, becasuse Diana cannot understand the way Adam looks at Cassie. She breaks up with Adam after Ethan Conant, Adam's father, tells her about Cassie and Adam being destined to be together, because she wishes to have the type of love Cassie and Adam are said to have.
Main article: Diana and Holden
Melissa's cousin Holden comes to town to try to cheer Melissa up after Nicks death. Diana used to have a crush on Holden when they were younger. Diana and Holden start to bond and it helps her get her mind off Adam. Melissa tells Diana that Holden is not a rebound guy and not to hurt him. Diana is unaware of her feelings and does not want to ruin her friends ship with Melissa. She lets him go and he has not been seen since.
Main article: Diana and Grant
Grant and Diana first met in Lucky, when Grant seems to have an interest on Diana and started to talk with her and Melissa. Grant later came to Casino night and give out hundred dollars bills where Diana was sitting, counting chips and Diana commented him by telling that is a lot of chips. He later came back and asked Diana how many tickets does he need to get the monkey stuff animals.Diana said 50 tickets then Grant bought two of them, one for him and one for Diana. Later on when he was walking with Diana to her car (Diana is wearing his coat) they talked for awhile and kissed. In Sacrifice, Grant and Diana went ice-skating then Diana went to see him and discover he doesn't own a boat and that he is traveling with a crew. Grant tried to make Diana understand that he did it to impress her, but Diana was so mad so she walked away from him. He later asked her to give him a chance which she did. In Crystal, Grant invited Diana on to the boat as a date and say that his captain allowed him to get the boat for a day. But it didn't turn out great when the circle kept needing Diana's help, this make Grant very suspicous and he asked for an explanation. She then promise him she will give him one day to explain, but Grant is unsure if he will return to Chance Harbor.
Diana and Cassie go to the coffee house where Diana runs into Grant. He explains how he is docked in Chance Harbor for a little while, Diana invites him over to her house after she gets back from the Prom at her school. Later in the episode Diana finds out that her father, Charles killed Cassie's mother, Amelia. Diana runs outside crying when Grant shows up in his car, he comforts her and tries to calm her down. In Family, Diana finally decides to run away from Chance Harbor with Grant, as he had always joked about taking her across the country.
- Main article: Diana and Faye
Diana, Faye and Melissa breaking into lee car.Added by Wiccanwitch Since Faye and Diana have become closer, she trust Diana enough to ask for her help, to find Lee in the episode Curse. Diana comforts her and Faye thanks her and says "Yet, you still came for me to break into his car."
- Main article: Diana and Melissa
Diana and Melissa in Lucky. Melissa and Diana used to be best friends before she started dating Adam, but their relationship took a tumble when Diana's relationship started. Melissa became besties with Faye and until Cassie Blake's return to Chance Harbor their relationship has started to take back some importance. First when they discussed about it in Fire/Ice and then in Valentine when Melissa had an overdose of Devil's Spirit and Diana helped taking care of her more than Faye did. During Lucky Melissa helped Diana with the "Casino Night" preparation. She also teases her alittle bit when she met Grant and didn't get together with him.
- Main article: Diana and Ethan
- Main article: Diana and Dawn
Dawn is the principal of the school Diana attended. She learned that her step-father is dating Dawn and is okay with it. She would hang out with Dawn and talk about things.