Temple Sinai is a Reform Jewish synagogue located 13875 Brimhurst Drive, in Houston, Texas, in the United States.

Jewish residents on the west side of Houston and its western suburbs, including Katy, Cinco Ranch and Sugar Land worship at the synagogue.

The congregation was founded in 1979 by nine families seeking to establish a Reform Jewish presence in western Harris County.

The congregation experienced significant growth in the 1990s, resulting in the hiring of its first full-time rabbi, Todd Thalblum, in 1999.

See also: List of companies in Houston See: List of colleges and universities in Houston Category Texas portal This article about a synagogue or other Jewish place of worship in the United States is a stub.