Charles Artie Ulmer is an American former professional football player who was a linebacker in the National Football League (NFL). He played college football for the Georgia Southern Eagles and Valdosta State Blazers before being selected in the seventh round of the 1997 NFL draft. He played in the NFL for the Minnesota Vikings (1997), Denver Broncos (1999), San Francisco 49ers (2000), and Atlanta Falcons (2001–2005).