Boyfriend

Mickey Smith was Rose Tyler's boyfriend. (TV: Rose, etc.)

Clara Oswald once asked the Eleventh Doctor to pretend to be her boyfriend for her family Christmas dinner. (TV: The Time of the Doctor) Not long after regenerating, the Twelfth Doctor clarified that he wasn't her boyfriend. When Clara said that she never thought he was, the Doctor stated that it wasn't her mistake. (TV: Deep Breath)

After he had known Charlie Smith for some time, Matteusz Andrzejewski declared his romantic desire (TV: Nightvisiting) and they became each other's boyfriends. (TV: Detained, etc.)