The 2013 Oregon State Beavers baseball team represented Oregon State University in the 2013 NCAA Division I baseball season. The Beavers played their home games at Goss Stadium at Coleman Field and were members of the Pac-12 Conference. The team was coached by Pat Casey in his 19th season at Oregon State. The Beavers won the Pac-12 conference with a 24âÂÂ6 conference record, and made it to the semifinals of the College World Series in Omaha, Nebraska, officially finishing tied for 3rd in the tournament.
! style="" | Regular season (45âÂÂ10) |- valign="top"
|- bgcolor="#ddffdd" | 1 || Feb 15 || vs. || No. 10 || Palm Springs Stadium ⢠Palm Springs, CA || W 5âÂÂ2 || 1âÂÂ0 || â |- bgcolor="#ddffdd" | 2 || Feb 16 || vs. || No. 10 || Palm Springs Stadium ⢠Palm Springs, CA || W 9âÂÂ2 || 2âÂÂ0 || â |- bgcolor="#ddffdd" | 3 || Feb 17 || vs. || No. 10 || Palm Springs Stadium ⢠Palm Springs, CA || W 14âÂÂ3 <small>(7)</small> || 3âÂÂ0 || â |- bgcolor="#ddffdd" | 4 || Feb 18 || vs. UC Riverside || No. 9 || Palm Springs Stadium ⢠Palm Springs, CA || W 5âÂÂ4 <small>(11)</small> || 4âÂÂ0 || â |- bgcolor="#ddffdd" | 5 || Feb 21 || at No. 22 || No. 9 || Tony Gwynn Stadium ⢠San Diego, CA || W 8âÂÂ1 || 5âÂÂ0 || â |- bgcolor="#ddffdd" | 6 || Feb 22 || at No. 22 San Diego State || No. 9 || Tony Gwynn Stadium ⢠San Diego, CA || W 2âÂÂ0 || 6âÂÂ0 || â |- bgcolor="#ddffdd" | 7 || Feb 23 || at No. 22 San Diego State || No. 9 || Tony Gwynn Stadium ⢠San Diego, CA || W 5âÂÂ0 || 7âÂÂ0 || â |- bgcolor="#ddffdd" | 8 || Feb 24 || at No. 22 San Diego State || No. 9 || Tony Gwynn Stadium ⢠San Diego, CA || W 7âÂÂ1 || 8âÂÂ0 || â |-
|- bgcolor="#ddffdd" | 9 || Mar 1 || || No. 5 || Goss Stadium ⢠Corvallis, OR || W 2âÂÂ1 <small>(10)</small> || 9âÂÂ0 || â |- bgcolor="#ddffdd" | 10 || Mar 2 || Bryant || No. 5 || Goss Stadium ⢠Corvallis, OR || W 7âÂÂ2 || 10âÂÂ0 || â |- bgcolor="#ddffdd" | 11 || Mar 2 || Bryant || No. 5 || Goss Stadium ⢠Corvallis, OR || W 3âÂÂ1 || 11âÂÂ0 || â |- bgcolor="#ddffdd" | 12 || Mar 3 || Bryant || No. 5 || Goss Stadium ⢠Corvallis, OR || W 14âÂÂ0 || 12âÂÂ0 || â |- bgcolor="#dddddd" | || Mar 5 || at || No. 3 || Joe Etzel Field ⢠Portland, OR ||colspan=4|Postponed to April 17 |- bgcolor="#ddffdd" | 13 || Mar 8 || || No. 3 || Goss Stadium ⢠Corvallis, OR || W 16âÂÂ4 || 13âÂÂ0 || â |- bgcolor="#ddffdd" | 14 || Mar 9 || Texas State || No. 3 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ3 || 14âÂÂ0 || â |- bgcolor="#ddffdd" | 15 || Mar 10 || Texas State || No. 3 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ4 || 15âÂÂ0 || â |- bgcolor="#ffdddd" | 16 || Mar 12 || || No. 2 || Goss Stadium ⢠Corvallis, OR || L 1âÂÂ5 || 15âÂÂ1 || â |- bgcolor="#ddffdd" | 17 || Mar 13 || San Francisco || No. 2 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ5 || 16âÂÂ1 || â |- bgcolor="#ddffdd" | 18 || Mar 15 || at No. 24 Arizona || No. 2 || Hi Corbett Field ⢠Tucson, AZ || W 6âÂÂ2 || 17âÂÂ1 || 1âÂÂ0 |- bgcolor="#ddffdd" | 19 || Mar 16 || at No. 24 Arizona || No. 2 || Hi Corbett Field ⢠Tucson, AZ || W 4âÂÂ3 || 18âÂÂ1 || 2âÂÂ0 |- bgcolor="#ddffdd" | 20 || Mar 17 || at No. 24 Arizona || No. 2 || Hi Corbett Field ⢠Tucson, AZ || W 8âÂÂ4 || 19âÂÂ1 || 3âÂÂ0 |- bgcolor="#ddffdd" | 21 || Mar 22 || No. 22 || No. 2 || Goss Stadium ⢠Corvallis, OR || W 5âÂÂ0 || 20âÂÂ1 || 4âÂÂ0 |- bgcolor="#ffdddd" | 22 || Mar 23 || No. 22 Arizona State || No. 2 || Goss Stadium ⢠Corvallis, OR || L 0âÂÂ4 || 20âÂÂ2 || 4âÂÂ1 |- bgcolor="#ddffdd" | 23 || Mar 24 || No. 22 Arizona State || No. 2 || Goss Stadium ⢠Corvallis, OR || W 4âÂÂ3 || 21âÂÂ2 || 5âÂÂ1 |- bgcolor="#ffdddd" | 24 || Mar 28 || at || No. 2 || Fowler Park ⢠San Diego, CA || L 4âÂÂ7 || 21âÂÂ3 || â |- bgcolor="#ddffdd" | 25 || Mar 29 || at San Diego || No. 2 || Fowler Park ⢠San Diego, CA || W 14âÂÂ5 || 22âÂÂ3 || â |- bgcolor="#ffdddd" | 26 || Mar 30 || at San Diego || No. 2 || Fowler Park ⢠San Diego, CA || L 3âÂÂ13 || 22âÂÂ4 || â |- |colspan=9| |-
|- bgcolor="#ddffdd" | 27 || Apr 2 || || No. 6 || Goss Stadium ⢠Corvallis, OR || W 7âÂÂ5 || 23âÂÂ4 || â |- bgcolor="#ffdddd" | 28 || Apr 5 || at No. 13 UCLA || No. 6 || Jackie Robinson Stadium ⢠Los Angeles, CA || L 2âÂÂ3 || 23âÂÂ5 || 5âÂÂ2 |- bgcolor="#ddffdd" | 29 || Apr 6 || at No. 13 UCLA || No. 6 || Jackie Robinson Stadium ⢠Los Angeles, CA || W 5âÂÂ0 || 24âÂÂ5 || 6âÂÂ2 |- bgcolor="#ddffdd" | 30 || Apr 7 || at No. 13 UCLA || No. 6 || Jackie Robinson Stadium ⢠Los Angeles, CA || W 5âÂÂ2 || 25âÂÂ5 || 7âÂÂ2 |- bgcolor="#ffdddd" | 31 || Apr 9 || No. 9 || No. 6 || Goss Stadium ⢠Corvallis, OR || L 3âÂÂ6 || 25âÂÂ6 || â |- bgcolor="#ddffdd" | 32 || Apr 12 || || No. 6 || Goss Stadium ⢠Corvallis, OR || W 1âÂÂ0 || 26âÂÂ6 || 8âÂÂ2 |- bgcolor="#ddffdd" | 33 || Apr 13 || Utah || No. 6 || Goss Stadium ⢠Corvallis, OR || W 8âÂÂ3 || 27âÂÂ6 || 9âÂÂ2 |- bgcolor="#ddffdd" | 34 || Apr 14 || Utah || No. 6 || Goss Stadium ⢠Corvallis, OR || W 4âÂÂ1 || 28âÂÂ6 || 10âÂÂ2 |- bgcolor="#ddffdd" | 35 || Apr 17 || at Portland || No. 5 || Joe Etzel Field ⢠Portland, OR || W 5âÂÂ1 || 29âÂÂ6 || â |- bgcolor="#ffdddd" | 36 || Apr 20 || at || No. 5 || Husky Ballpark ⢠Seattle, WA || L 1âÂÂ5 || 29âÂÂ7 || 10âÂÂ3 |- bgcolor="#ffdddd" | 37 || Apr 20 || at Washington || No. 5 || Husky Ballpark ⢠Seattle, WA || L 3âÂÂ10 || 29âÂÂ8 || 10âÂÂ4 |- bgcolor="#ddffdd" | 38 || Apr 21 || at Washington || No. 5 || Husky Ballpark ⢠Seattle, WA || W 8âÂÂ0 || 30âÂÂ8 || 11âÂÂ4 |- bgcolor="#ddffdd" | 39 || Apr 22 || at || No. 6 || Bannerwood Park ⢠Bellevue, WA || W 4âÂÂ3 <small>(14)</small> || 31âÂÂ8 || â |- bgcolor="#ddffdd" | 40 || Apr 26 || || No. 6 || Goss Stadium ⢠Corvallis, OR || W 10âÂÂ4 || 32âÂÂ8 || 12âÂÂ4 |- bgcolor="#ddffdd" | 41 || Apr 27 || Southern California || No. 6 || Goss Stadium ⢠Corvallis, OR || W 3âÂÂ0 || 33âÂÂ8 || 13âÂÂ4 |- bgcolor="#ddffdd" | 42 || Apr 28 || Southern California || No. 6 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ1 || 34âÂÂ8 || 14âÂÂ4 |-
|- bgcolor="#ddffdd" | 43 || May 3 || || No. 5 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ1 || 35âÂÂ8 || 15âÂÂ4 |- bgcolor="#ddffdd" | 44 || May 4 || California || No. 5 || Goss Stadium ⢠Corvallis, OR || W 5âÂÂ0 || 36âÂÂ8 || 16âÂÂ4 |- bgcolor="#ddffdd" | 45 || May 5 || California || No. 5 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ4 || 37âÂÂ8 || 17âÂÂ4 |- bgcolor="#ddffdd" | 46 || May 8 || vs. || No. 5 || Volcanoes Stadium ⢠Keizer, OR || W 4âÂÂ3 || 38âÂÂ8 || â |- bgcolor="#ddffdd" | 47 || May 10 || at No. 19 || No. 5 || Klein Field at Sunken Diamond ⢠Stanford, CA || W 7âÂÂ3 || 39âÂÂ8 || 18âÂÂ4 |- bgcolor="#ddffdd" | 48 || May 11 || at No. 19 Stanford || No. 5 || Klein Field at Sunken Diamond ⢠Stanford, CA || W 10âÂÂ4 || 40âÂÂ8 || 19âÂÂ4 |- bgcolor="#ddffdd" | 49 || May 12 || at No. 19 Stanford || No. 5 || Klein Field at Sunken Diamond ⢠Stanford, CA || W 5âÂÂ4 || 41âÂÂ8 || 20âÂÂ4 |- bgcolor="#ffdddd" | 50 || May 17 || at No. 6 || No. 4 || PK Park ⢠Eugene, OR || L 0âÂÂ3 || 41âÂÂ9 || 20âÂÂ5 |- bgcolor="#ddffdd" | 51 || May 18 || at No. 6 Oregon || No. 4 || PK Park ⢠Eugene, OR || W 9âÂÂ0 || 42âÂÂ9 || 21âÂÂ5 |- bgcolor="#ddffdd" | 52 || May 19 || at No. 6 Oregon || No. 4 || PK Park ⢠Eugene, OR || W 12âÂÂ2 || 43âÂÂ9 || 22âÂÂ5 |- bgcolor="#dddddd" | || May 21 || No. 7 Oregon || No. 4 || Goss Stadium ⢠Corvallis, OR ||colspan=4|Cancelled |- bgcolor="#ffdddd" | 53 || May 24 || || No. 4 || Goss Stadium ⢠Corvallis, OR || L 9âÂÂ10 <small>(11)</small> || 43âÂÂ10 || 22âÂÂ6 |- bgcolor="#ddffdd" | 54 || May 25 || Washington State || No. 4 || Goss Stadium ⢠Corvallis, OR || W 4âÂÂ0 || 44âÂÂ10 || 23âÂÂ6 |- bgcolor="#ddffdd" | 55 || May 26 || Washington State || No. 4 || Goss Stadium ⢠Corvallis, OR || W 7âÂÂ6 || 45âÂÂ10 || 24âÂÂ6 |-
|- |- ! style="" | Postseason (7âÂÂ3) |- valign="top"
|- bgcolor="#ddffdd" | 56 || May 31 || (4) || (1) No. 5 || Goss Stadium ⢠Corvallis, OR || W 5âÂÂ4 || 46âÂÂ10 || 1âÂÂ0 |- bgcolor="#ddffdd" | 57 || June 1 || (3) || (1) No. 5 || Goss Stadium ⢠Corvallis, OR || W 3âÂÂ2 || 47âÂÂ10 || 2âÂÂ0 |- bgcolor="#ddffdd" | 58 || June 2 || (2) || (1) No. 5 || Goss Stadium ⢠Corvallis, OR || W 6âÂÂ1 || 48âÂÂ10 || 3âÂÂ0 |-
|- bgcolor="#ffdddd" | 59 || June 8 || No. 15 || (3) No. 5 || Goss Stadium ⢠Corvallis, OR || L 2âÂÂ6 <small>(10)</small> || 48âÂÂ11 || 3âÂÂ1 |- bgcolor="#ddffdd" | 60 || June 9 || No. 15 Kansas State || (3) No. 5 || Goss Stadium ⢠Corvallis, OR || W 12âÂÂ4 || 49âÂÂ11 || 4âÂÂ1 |- bgcolor="#ddffdd" | 61 || June 10 || No. 15 Kansas State || (3) No. 5 || Goss Stadium ⢠Corvallis, OR || W 4âÂÂ3 || 50âÂÂ11 || 5âÂÂ1 |-
|- bgcolor="#ffdddd" | 62 || June 15 || vs. No. 7 Mississippi State || (3) No. 3 || TD Ameritrade Park ⢠Omaha, NE || L 4âÂÂ5 || 50âÂÂ12 || 0âÂÂ1 |- bgcolor="#ddffdd" | 63 || June 17 || vs. No. 4 || (3) No. 3 || TD Ameritrade Park ⢠Omaha, NE || W 11âÂÂ4 || 51âÂÂ12 || 1âÂÂ1 |- bgcolor="#ddffdd" | 64 || June 19 || vs. No. 8 || (3) No. 3 || TD Ameritrade Park ⢠Omaha, NE || W 1âÂÂ0 || 52âÂÂ12 || 2âÂÂ1 |- bgcolor="#ffdddd" | 65 || June 21 || vs. No. 7 Mississippi State || (3) No. 3 || TD Ameritrade Park ⢠Omaha, NE || L 1âÂÂ4 || 52âÂÂ13 || 2âÂÂ2