Oregon State Beavers
University	Oregon State University
Conference	Pac-12 Conference (primary)
NCAA	Division I (FBS)
Athletic director	Scott Barnes
Location	Corvallis, Oregon
Varsity teams	17 (7 men's, 10 women's)
Football stadium	Reser Stadium Providence Park
Basketball arena	Gill Coliseum
Baseball stadium	Goss Stadium at Coleman Field
Softball stadium	Kelly Field
Soccer stadium	Paul Lorenz Field at Patrick Wayne Valley Stadium
Other venues	Avery Park OSU Boathouse Trysting Tree Golf Club Whyte Track and Field Center
Mascot	Benny Beaver
Nickname	Beavers
Fight song	Hail to Old OSU
Colors	Orange and black[1]
Website	osubeavers.com

The Oregon State Beavers are the athletic teams that represent Oregon State University, located in Corvallis, Oregon. The Beavers compete at the National Collegiate Athletic Association (NCAA) Division I (Football Bowl Subdivision (FBS) for college football) level as a member of the Pac-12 Conference. Oregon State's mascot is Benny the Beaver. Both the men's and women's teams share the name, competing in 7 NCAA Division I men's sports and 9 NCAA Division I women's sports respectively. The official colors for the athletics department are Beaver Orange (Pantone 1665), black, and white.^[2]

The primary rivals of the Beavers are the Oregon Ducks of the University of Oregon, located 45 miles (72 km) south of the Oregon State campus in Eugene, Oregon. The football rivalry between the Beavers and Ducks, once known as the Civil War, was one of the longest-running in the country, having been contested 127 times through the 2023 season. Other regional rivals include the Washington Huskies and Washington State Cougars, having played each 108 times in football through the 2023 season.

As of February 2025, the Beavers have won one pre-NCAA team national championship and four NCAA team national championships. The 1926 wrestling team won the Amateur Athletic Union national championship, the 1961 men's Cross-country team won the NCAA title, and most recently the baseball team won the 2006, 2007 and 2018 College World Series. Other notable performances include a second-place finish in the 1973 and 1995 NCAA wrestling finals, two Final Four appearances by the men's basketball team, one Final Four appearance by the women's basketball team, the football team defeating Notre Dame by a 32-point margin in the 2001 Fiesta Bowl (and finishing the season ranked #4 in the polls), eight appearances in the College World Series by the baseball program, reaching the College Cup of the 2023 NCAA Division I men's soccer tournament, and several individual NCAA championship titles in gymnastics, wrestling, and track & field.