Darren Criss is an American actor, singer and songwriter.

Criss is best known for his portrayal of Blaine Anderson on the Fox musical comedy-drama series Glee. As the lead vocalist of Glee's Dalton Academy Warblers, Criss' first number, a cover version of Katy Perry’s "Teenage Dream," became the fastest-selling Glee single, reached number eight on the Billboard Hot 100, and was certified gold in the US. The Warblers have sold over 1.3 million tracks, and the soundtrack album, Glee: The Music Presents the Warblers (2011), peaked at number two on the US Billboard 200. He was nominated for an Emmy Award in 2015 for writing the song "This Time" for the Glee finale.

In addition to his music endeavors, Criss starred in the second installment of Ryan Murphy’s American Crime Story, and The Assassination of Gianni Versace in 2018. His performance as serial killer Andrew Cunanan in Versace received acclaim from critics.