International Temple, Supreme Assembly, Order of the Rainbow for Girls, Masonic temple in McAlester, United States.

The International Temple, Supreme Assembly, Order of the Rainbow for Girls is the headquarters building of the International Order of the Rainbow for Girls in McAlester, Oklahoma. It was designed by the Tulsa firm Black and West, built by the Dewey Loveall Construction Company, and first opened to the public on November 18, 1951. It was listed on the National Register of Historic Places on July 14, 2013.

The Order of the Rainbow for Girls was founded in McAlester on April 6, 1922, by Rev. W. Mark Sexson, with an initial installation class of 86 girls. By 1940 it had grown to 50,000 members, and in 1941 the Order began planning a larger office building as a memorial and shrine. Funds were approved at the 1950 Supreme Assembly session; the Tulsa firm Black and West designed it, Dewey Loveall Construction Company received the contract in August 1950, and the cornerstone was Masonically laid on May 2, 1951. The building opened to the public on November 18, 1951, and was listed on the National Register of Historic Places on July 14, 2013.

The Order of the Rainbow for Girls was founded in McAlester on April 6, 1922, by Rev. W. Mark Sexson, and this building has served as its international headquarters since opening on November 18, 1951. Members from around the world come here for Supreme Assembly sessions, and the 1941 plan made the building a memorial to those who built the Order.

The building is located in McAlester and accessible via the main thoroughfare. Visitors should inquire about tours or special occasions, since the location primarily serves the organization's members for their regular meetings.

The 1951 cornerstone was laid with Masonic ceremony, and the building opened to the public on November 18, 1951. It was listed on the National Register of Historic Places on July 14, 2013.