Robert Marshall Rosengarden (April 23, 1924 – February 27, 2007) was an American jazz drummer, percussionist and bandleader. A native of Elgin, Illinois, United States, he played on many recordings and in television orchestras and talk show bands.

Rosengarden began playing drums when he was 12, and later studied at the University of Michigan. After playing drums in Army bands in World War II, he moved to New York City, working in several groups between 1945 and 1948, before becoming a busy studio musician. He played at NBC-TV (1949–1968) and ABC (1969–1974) on The Steve Allen Show, The Ernie Kovacs Show, Sing Along With Mitch, Johnny Carson‘s The Tonight Show Band, and led the band for The Dick Cavett Show.