|Full Name||Nicholas O'Connor|
|Nickname(s)||Nick (by everyone)|
|Date of Birth||2000-2001|
|Relationships||Melanie Yates (ex-girlfriend)|
|School(s)||Lake Munro High School|
|First Episode||We Built This City (2701)|
|Portrayed By||David Mazouz|
Nick O'Connor is a junior (grade 11) at Lake Munro High School.
Starts Lake Munro in season 27, he develops a crush on one of his teachers. He begins to stay after class a lot to ask questions and to talk to her. She later begins to make advances towards him. She later becomes more sexual with him and she even suggests they have sex, which he agrees to. Their relationship gets more serious and Ben finds out about them. He threatens to tell someone and Nick feels betrayed. He tries to get Nick out of the relationship, but Nick does not want help and stops talking to Ben, thinking he is just jealous. In season 28, Ben decides to tell somebody about Nick and Melanie's relationship. He tells Mrs. Tirpack and Melanie is suspended. Nick, believing he was in a real relationship with her, is hurt and betrayed by Ben. He then stops talking to Ben and stops coming to school. He also starts lashing out at his parents. Later, he returns to school but continues to ignore Ben. Ben tries to get Nick to realize what Ms. Yates was, but Nick refuses to believe him. In season 29, Ben makes one last attempt to talk to him. Nick does listen to Ben and he seeks help from the school counselor. Later, he talks with the counselor to get his life back on track.