Brett Olson

Brett Olson or Olsen may refer to:

Sportsmen

 * Brett Olson (born 1980), American basketball forward with the 2002–03 Kansas Jayhawks men's basketball team
 * Brett Olson (ice hockey) (born 1987), American professional ice hockey forward
 * Brett Olson (born 1992), American basketball guard with the 2011–12, 2012–13, 2013–14 and 2014–15 Denver Pioneers men's basketball teams

Others

 * Brett Olson, Republican nominee for the Washington House of Representatives elections, 2006
 * Brett Olsen, honoured for his role in Trolley Square shooting
 * Brett Olsen (Cardfight!! Vanguard), fictional character