Temple Sinai is a historic Reform Jewish congregation and synagogue located at 6227 St. Charles Avenue in New Orleans, Louisiana, in the United States.

Maximilian Heller was the temple's rabbi from 1887 until his retirement in 1927.

In the 1930s the Motion Picture Advertising Company purchased the old temple building and remodeled it for its headquarters.

[4] It was demolished in 1977 over the objections of preservationists after a court ruling.

[4] The rabbi is Daniel Sherman and the cantor is Rebecca Garfein.