Tower of Power (TOP) is an American rhythm and blues band from Oakland, California. Formed in August 1968, the group is centred on a horn section which originally featured tenor saxophonists Emilio "Mimi" Castillo and Steven "Skip" Mesquite, baritone saxophonist Stephen "Doc" Kupka, and trumpeters Greg Adams, David Padron, Mic Gillette and Ken Balzell. The rest of the original lineup included vocalist Rufus Miller, guitarist Willie James Fulton, bassist Francis Rocco Prestia and drummer David Garibaldi.
Castillo and Kupka remain the only constant members of TOP, the current incarnation of which also features keyboardist Roger Smith (since 1998), trumpeter Adolfo Acosta (since 2000), tenor saxophonist Tom E. Politzer (since 2002), guitarist Jerry Cortez (since 2010), bassist Marc van Wageningen (since 2018), trumpeter Dave Richards (since 2023), drummer Pete Antunes (since 2024), and vocalist Jordan John (since 2024).