Lou Stein (April 22, 1922 – December 11, 2002) was an American jazz pianist.

Born in Philadelphia, Pennsylvania, Stein joined Ray McKinley's band in 1942.^[1] He played with Glenn Miller when the latter was stateside during World War II.

After the war he worked with Charlie Ventura (1946–47)^[1] and became a session musician. He performed with the Lawson-Haggart Band, Benny Goodman, Sarah Vaughan, the Sauter-Finegan Orchestra, Louie Bellson, Red Allen, Coleman Hawkins, and Lester Young, and recorded as a bandleader. In 1957 he had a U.S. Top 40 hit with "Almost Paradise", which peaked at No. 31 on the Billboard Hot 100. His cover version of "Got a Match" made the Cashbox Top 60 in 1958. He played with Joe Venuti from 1969 to 1972.^[1]

• Lou Stein Trio (Brunswick, 1954)
• House Hop (Epic, 1954)
• Lou Stein at Large! (Brunswick, 1954)
• Six for Kicks (Jubilee, 1954)
• The Lou Stein 3, 4, and 5 (Epic, 1955)
• Eight for Kicks, Four for Laughs (Jubilee, 1956)
• From Broadway to Paris (Epic, 1956)
• Honky Tonk Piano (Mercury, 1956)
• Introspective 1 (Leric, 1972)
• Tribute to Tatum (Chiaroscuro, 1976)
• Stompin' Em Down (Chiaroscuro, 1978)
• Lou Stein & Friends (World Jazz, 1980)
• Temple of the Gods (Chiaroscuro, 1980)
• Live at the Dome (Dreamstreet, 1981)
• Solo (Audiophile, 1984)
• Go Daddy! (Pullen Music, 1994)

With Louis Bellson

• The Driving Louis Bellson (Norgran, 1955)
• Let's Call It Swing (Verve, 1956)
• Drummer's Holiday (Verve, 1958)

With Woody Herman

• Songs for Hip Lovers (Verve, 1957)

With Lee Konitz

• An Image: Lee Konitz with Strings (Verve, 1958)

With Joe Newman

• New Sounds in Swing with Billy Byers (Jazztone, 1956)

With Charlie Parker

• Big Band (Clef, 1954)

With Cootie Williams

• Cootie Williams in Hi-Fi (RCA Victor, 1958)

• Leonard Feather & Ira Gitler, The Biographical Encyclopedia of Jazz. Oxford University Press: Oxford/New York 1999; ISBN 978-0-19-532000-8

• Lou Stein recordings at the Discography of American Historical Recordings.