Francis Knyvett McNamara (30 April 1912 – 7 January 1992) was an English cricketer.
McNamara was a right-handed batsman who bowled left-arm medium pace.
He was born at Mussoorie in the British Raj, and was educated at Marlborough College.
McNamara made a single first-class appearance for the Free Foresters against Cambridge University at Fenner's in 1952.
In a match which Cambridge University won by an innings and 89 runs, he made scores of 16 opening the batting in the Free Foresters first-innings, before he was dismissed caught and bowled by John Warr, while in their second-innings he was dismissed for 2 runs by Charles Kenny.
This was his only first-class appearance.
He died at Worthing, Sussex on 7 January 1992.