2019 Indiana Hoosiers baseball team

The 2019 Indiana Hoosiers baseball team were a college baseball team that represented Indiana University in the 2019 NCAA Division I baseball season. The Hoosiers are members of the Big Ten Conference (B1G) and play their home games at Bart Kaufman Field in Bloomington, Indiana. They were led by first-year head coach Jeff Mercer.

Previous season
The Hoosiers finished the 2018 NCAA Division I baseball season 40–19 overall (14–9 conference) and fifth place in conference standings. Following the conclusion of the regular season, the Hoosiers were selected to play in the 2018 NCAA tournament, beginning in the Austin Regional. The Hoosiers would eventually lose in the final round of the Austin Regional to Texas by a score of 2–3.

MLB draft
The following Hoosiers on the 2018 roster were selected in the 2018 Major League Baseball draft:

* indicates draftee had no more college eligibility

Preseason
On June 25, 2018, Mississippi State confirmed that it had hired Chris Lemonis as their new head baseball coach, formally ending Lemonis' tenure with the Hoosiers. Lemonis compiled a 141–91–2 overall record, 55–37-1 conference record and three NCAA tournament appearances, while head coach of the Hoosiers.

On July 2, 2018, Indiana University Athletics announced the hiring of former Wright State head coach Jeff Mercer, to the head coaching position for the Hoosiers.

On July 18, 2018, Mercer made a notable acquisition to the Hoosiers' coaching staff with the hiring of former-MLB third baseman Scott Rolen as Director of Player Development.

Season projections
Coming off of an NCAA Regional appearance in 2018, the 2019 Hoosiers were projected to finish fourth in conference play by B1G coaches; however, other media outlets predicted the Hoosiers would finish as high as first in the B1G. The Hoosiers were ranked or received votes for rankings in two of the six major preseason polls and rankings. Indiana was ranked #37 in the NCBWA poll and received votes for ranking by Collegiate Baseball.

Schedule
! style="" | Regular season
 * - valign="top"

! style="" | Post-season

"" represents postseason seeding in the Big 10 Tournament or NCAA Regional, respectively.
 * style="font-size:88%" | "#" represents ranking. All rankings from Collegiate Baseball on the date of the contest.
 * style="font-size:88%" | "#" represents ranking. All rankings from Collegiate Baseball on the date of the contest.
 * Schedule Source
 * Schedule Source

Award watch lists
Listed in the order that they were released