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
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! style="" | Postseason: 6–6
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Awards and honors

 * Ryan Budde
 * 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


 * Josh Holliday
 * 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


 * Matt Smith
 * First Team All-Big 12 Conference
 * Second Team All-American National Collegiate Baseball Writers Association