Best Supporting Actor or Best Supporting Actress is an accolade given by a group of film or theatre professionals in recognition of the work of supporting and character actors.

Supporting actor awards include:

• Academy Award for Best Supporting Actor (Oscar)
• Emmy Award
• Golden Globe Award
• Olivier Award
• Tony Award
• British Academy of Film and Television Arts (BAFTA) Award

Supporting actress awards include:

• Academy Award for Best Supporting Actress (Oscar)