David S. Ishii (born July 26, 1955) is an American professional golfer of Japanese descent.

He won four individual events, was a member of the 1977 NCAA Championship team, and was a 1977 All-American.

He has 14 victories on the Japan Golf Tour and is 13th on the career money list.

He was the second Hawaiian native to win the event, after Ted Makalena in 1966.

*Note: The 1987 Golf Nippon Series was shortened to 36 holes due to weather.