The name Lady Be Good
could refer to one of the following:
- Lady Be Good (musical), a 1924 Broadway musical by George and Ira Gershwin
- A song, "Oh, Lady be Good!" from the above musical
- Lady Be Good (1928 film), a 1928 film directed by Richard Wallace
- Lady Be Good (1941 film), a 1941 MGM musical film starring Eleanor Powell
- Lady Be Good (aircraft), a notable World War II aircraft.
- Lady Be Good (painting) (1972), a painting by Jacques Zadig, displayed in Länsmuseet Gävleborg, Gävle, Sweden