James David Maslow (born July 16, 1990) is an American actor, and singer, known for playing the role of James Diamond on Nickelodeon's Big Time Rush and is a member of the boy band with the same name. He also starred as Kevin Mohr on the Sony Crackle original series Sequestered.

In 2014, Maslow competed as a contestant on the eighteenth season of Dancing with the Stars, in which he reached fourth place.