William Partlemore Kirk (July 19, 1934 – October 26, 2009) was an American professional baseball player.

His career extended from 1954–1956 and 1959–1964, but the 6 ft (1.8 m), 160 lb (73 kg) left-handed pitcher made only one Major League appearance for the Kansas City Athletics during the 1961 season.

While playing for Class-A Lancaster Red Roses, he had pitched a no-hitter at Stumpf Field in July 1960.

[1] Kirk's lone MLB appearance came as a starting pitcher on September 23, 1961, facing the visiting Cleveland Indians at Municipal Stadium.

[2] Kirk did not take the loss (that went to Dave Wickersham in a 9–5 Cleveland triumph), but never appeared in a major league game again.