Dag Wennlund

Dag Bengt Wennlund (born 6 October 1963) is a retired javelin thrower from Sweden, who represented his native country at three consecutive Summer Olympics (1988, 1992 and 1996). He is a three-time Swedish champion in the men's javelin event (1985, 1986 and 1991). His personal best is 85.02, thrown on May 28, 1995 in Alvesta.

Representing the Texas Longhorns men's track and field team, Wennlund won the 1986 and 1987 NCAA Division I Outdoor Track and Field Championships in the javelin.