1999 Oklahoma State Cowboys baseball team

The 1999 Oklahoma State Cowboys baseball team represented the Oklahoma State University–Stillwater in the 1999 NCAA Division I baseball season. The Cowboys played their home games at Allie P. Reynolds Stadium. The team was coached by Tom Holliday in his 3rd year as head coach at Oklahoma State.
The Cowboys won the Wichita Regional and Waco Super Regional to advance to the College World Series, where they were defeated by the Rice Owls.

Schedule

! style="" | Regular season: 41–14
! style="" | Postseason: 6–6

Awards and honors

Freshman All-American Collegiate Baseball

;Thom Dreier

Honorable Mention All-Big 12 Conference

;Billy Gasparino

First Team All-Big 12 Conference
Second Team All-American Collegiate Baseball
Third Team All-American National Collegiate Baseball Writers Association

First Team All-Big 12 Conference
Third Team All-American National Collegiate Baseball Writers Association

;Jeremy Krismer

Honorable Mention All-Big 12 Conference

;Kevin Lucas

Second Team All-Big 12 Conference

;Lamont Matthews

First Team All-Big 12 Conference
Second Team All-American American Baseball Coaches Association
Third Team All-American Baseball America
Third Team All-American Collegiate Baseball

;Jay McCullough

Honorable Mention All-Big 12 Conference

;Rusty Rushing

Honorable Mention All-Big 12 Conference

First Team All-Big 12 Conference
Second Team All-American ''National Collegiate Baseball Writers Association''