Frank Bernard Bork (born July 13, 1940) is an American former professional baseball pitcher whose eight-year career included part of one season, 1964, in Major League Baseball as a member of the Pittsburgh Pirates.

The left-hander, a native of Buffalo, New York, was listed as 6 feet 2 inches (1.88 m) tall and 175 pounds (79 kg).

He spent four full years in their farm system before breaking into the big leagues.

In 42 total innings pitched, he allowed 51 hits and 11 bases on balls, with 31 strikeouts.

This biographical article relating to an American baseball pitcher born in the 1940s is a stub.