| Year: | 1965 |
| Team: | Ohio State Buckeyes |
| Sport: | baseball |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Cbrank: | 2 |
| Record: | 30–13 |
| Conf Record: | 11–2 |
| Head Coach: | Marty Karow |
| Hc Year: | 15th |
| Champion: | Big Ten Champions District 4 champions |
| Tourney: | College World Series, Runner-Up |
The 1965 Ohio State Buckeyes baseball team represented the Ohio State University in the 1965 NCAA University Division baseball season. The team was coached by Marty Karow in his 15th season at Ohio State.
The Buckeyes lost the College World Series, defeated by the Arizona State Sun Devils in the championship game.
| Legend | ||
|---|---|---|
| Ohio State win | ||
| Ohio State loss | ||
| Ohio State tie | ||
! style="" | Regular season (23–11)|- valign="top"|- align="center" bgcolor="#ccffcc"| || at || Unknown • Flagstaff, Arizona || 5–1 || 1–0 || –|- align="center" bgcolor="#ccffcc"| || at Arizona State College || Unknown • Flagstaff, Arizona || 12–7 || 2–0 || –|- align="center" bgcolor="#ccffcc"| || at || Brazell Field • Phoenix, Arizona || 6–2 || 3–0 || –|- align="center" bgcolor="#ffcccc"| || at Arizona State || Phoenix Municipal Stadium • Phoenix, Arizona || 3–6 || 3–1 || –|- align="center" bgcolor="#ffcccc"| || at Arizona State || Phoenix Municipal Stadium • Phoenix, Arizona || 6–7 || 3–2 || –|- align="center" bgcolor="#ffcccc"| || at Arizona State || Phoenix Municipal Stadium • Phoenix, Arizona || 3–10 || 3–3 || –|- align="center" bgcolor="#ccffcc"| || at Grand Canyon || Brazell Field • Phoenix, Arizona || 5–1 || 4–3 || –|- align="center" bgcolor="#ffcccc"| || at || UA Field • Tucson, Arizona || 1–11 || 4–4 || –|- align="center" bgcolor="#ffcccc"| || at Arizona || UA Field • Tucson, Arizona || 3–8 || 4–5 || –|- align="center" bgcolor="#ccffcc"| || at Arizona || UA Field • Tucson, Arizona || 4–1 || 5–5 || –|- align="center" bgcolor="#ffcccc"| || at Arizona || UA Field • Tucson, Arizona || 0–3 || 5–6 || –|-|- align="center" bgcolor="#ccffcc"| || at || Simmons Field • Columbia, Missouri || 10–6 || 6–6 || –|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 8–5 || 7–6 || –|- align="center" bgcolor="#ccffcc"| || Cincinnati || Unknown • Columbus, Ohio || 4–1 || 8–6 || –|- align="center" bgcolor="#ffcccc"| || Cincinnati || Unknown • Columbus, Ohio || 2–3 || 8–7 || –|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 9–0 || 9–7 || –|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 6–0 || 10–7 || –|- align="center" bgcolor="#ffcccc"| || Ball State || Unknown • Columbus, Ohio || 5–6 || 10–8 || –|- align="center" bgcolor="#ccffcc"| || Ball State || Unknown • Columbus, Ohio || 9–1 || 11–8 || –|- align="center" bgcolor="#ffcccc"| || at || Hyames Field • Kalamazoo, Michigan || 1–7 || 11–9 || –|- align="center" bgcolor="#ccffcc"| || at Western Michigan || Hyames Field • Kalamazoo, Michigan || 4–1 || 12–9 || –|- align="center" bgcolor="#ccffcc"| || at || Sembower Field • Bloomington, Indiana || 8–2 || 13–9 || 1–0|- align="center" bgcolor="#ccffcc"| || at Indiana || Sembower Field • Bloomington, Indiana || 6–5 || 14–9 || 2–0|- align="center" bgcolor="#ffcccc"| || at Indiana || Sembower Field • Bloomington, Indiana || 0–1 || 14–10 || 2–1|- align="center" bgcolor="#ccffcc"| || at || Rocky Miller Park • Evanston, Illinois || 10–2 || 15–10 || 3–1|-|- align="center" bgcolor="#ccffcc"| || at || Guy Lowman Field • Madison, Wisconsin || 6–2 || 16–10 || 4–1|- align="center" bgcolor="#ccffcc"| || at Wisconsin || Guy Lowman Field • Madison, Wisconsin || 3–4 || 17–10 || 5–1|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 6–5 || 18–10 || 6–1|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 7–5 || 19–10 || 7–1|- align="center" bgcolor="#ffcccc"| || Illinois || Unknown • Columbus, Ohio || 0–2 || 19–11 || 7–2|- align="center" bgcolor="#ccffcc"| || at || Unknown • Iowa City, Iowa || 3–0 || 20–11 || 8–2|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 4–3 || 21–11 || 9–2|- align="center" bgcolor="#ccffcc"| || || Unknown • Columbus, Ohio || 13–10 || 22–11 || 10–2|- align="center" bgcolor="#ccffcc"| || Michigan State || Unknown • Columbus, Ohio || 2–0 || 23–11 || 11–2|- align="center" bgcolor="white"|-! style="" | Postseason (7–2)|-|- align="center" bgcolor="#ccffcc"| || vs Ball State || Trautwein Field • Athens, Ohio || 4–0 || 24–11 || 11–2|- align="center" bgcolor="#ccffcc"| || at || Trautwein Field • Athens, Ohio || 4–2 || 25–11 || 11–2|- align="center" bgcolor="#ccffcc"| || vs || Trautwein Field • Athens, Ohio || 10–7 || 26–11 || 11–2|-|- align="center" bgcolor="#ccffcc"| || vs Florida State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 2–1 || 27–11 || 11–2|- align="center" bgcolor="#ccffcc"| || vs Washington State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 14–1 || 28–11 || 11–2|- align="center" bgcolor="#ffcccc"| || vs Arizona State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 4–9 || 28–12 || 11–2|- align="center" bgcolor="#ccffcc"| || vs Washington State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 1–0 || 29–12 || 11–2|- align="center" bgcolor="#ccffcc"| || vs Arizona State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 7–3 || 30–12 || 11–2|- align="center" bgcolor="#ffcccc"| || vs Arizona State || Johnny Rosenblatt Stadium • Omaha, Nebraska || 1–2 || 30–13 || 11–2|- align="center" bgcolor="white"| Schedule Source:[1]
The following members of the Ohio State Buckeyes baseball program were drafted in the 1965 Major League Baseball Draft.[3]
| 23 | 402 | Steve Arlin | P | Detroit Tigers | |
| 23 | 403 | Arnie Chonko | 1B | Detroit Tigers |