David Sibley (born 1947) is an American lawyer and former Texas politician. He served from 1991 to 2002 as a Republican member of the Texas State Senate.
Previously, he was from 1987 to 1988 the mayor of Waco, then an unelected and still a nonpartisan position, as are all elected municipal offices in Texas. He is also a lobbyist in Austin and Waco, Texas.
Sibley became a lawyer after he lost his oral surgery practice due to nerve damage in his hand.