Ricky Lynn Phillips (born October 7, 1953) is an American bass guitarist and the current bass player for the rock band Styx. He has also played in Nasty Habit, as a member of The Babys and Bad English, and with Coverdale-Page and Ted Nugent.

Phillips and his former Bad English bandmate Neal Schon also played with former Montrose members Sammy Hagar and Denny Carmassi on a live version of the Montrose song "Rock Candy".