Frank James Michael Grande Marchione (born January 24, 1983) is an American dancer, actor, singer, producer, television host and YouTube personality. He is the older half-brother of singer and actress Ariana Grande.

He performed on Broadway as Franz in the musical Rock of Ages (2014–2015) and in Mamma Mia! (2007–2010) and has played roles Off-Broadway, in regional theatre productions and on tour. Grande has produced Broadway shows and both produced and appeared in cabaret acts, including his own one-man show. In 2012, he established a YouTube channel and has also been building a following on Twitter and Instagram. In 2014, he was a contestant on the U.S. reality television series Big Brother 16, where he placed fifth.

Grande was a judge on the 2015 season of America's Best Dance Crew. From 2016 to 2017, he co-hosted Style Code Live, a live Amazon fashion and shopping show that streamed on weeknights, from which he took off time to compete on the UK reality show Celebrity Big Brother 18 in mid-2016. His philanthropic work includes co-founding the non-profit arts organization "Broadway in South Africa" and work for buildOn.