Robert Stanley Crewe (November 12, 1930 – September 11, 2014) was an American songwriter, dancer, singer, manager, and record producer. Crewe co-wrote and produced a string of Top 10 singles with Bob Gaudio for the Four Seasons.

As a songwriter, his most successful songs include "Silhouettes" (co-written with Frank Slay); "Big Girls Don't Cry", "Walk Like a Man", "Rag Doll", "Silence Is Golden", "The Sun Ain't Gonna Shine (Anymore)", "Can't Take My Eyes Off You" and "Bye, Bye, Baby" (all co-written with Gaudio); "Let's Hang On!" (written with Sandy Linzer and Denny Randell); and "My Eyes Adored You" and "Lady Marmalade" (both co-written with Kenny Nolan). He also had hit recordings with the Rays, Diane Renay, Mitch Ryder and the Detroit Wheels, Freddy Cannon, Lesley Gore, Oliver, Michael Jackson, Bobby Darin, Roberta Flack, Peabo Bryson, Patti LaBelle, Barry Manilow, and his own Bob Crewe Generation.