Frederick Vallette McNair Jr. (March 13, 1882 – September 2, 1962) was an officer of the United States Navy and a recipient of the Medal of Honor for his actions at the beginning of the U.S. occupation of Veracruz, Mexico.

He is buried in the United States Naval Academy Cemetery and his grave can be located in lot 406.

McNair's Medal of Honor citation reads: For distinguished conduct in battle engagement of Vera Cruz, 22 April 1914.

He exhibited courage and skill in leading his men through the action of the 22d and in the final occupation of the city.

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