2019 Big Sky Conference women's basketball tournament

The 2019 Big Sky Conference women's basketball tournament was a postseason tournament that was held from March 11–15, 2019 at CenturyLink Arena in Boise, Idaho. Portland State was the winner of the Big Sky tournament earns an automatic bid to the 2019 NCAA tournament.

Seeds
Big Sky tiebreaker procedures are as follows: * Overall record at end of regular season.
 * 1) Head-to-head
 * 2) Performance against conference teams in descending order to finish
 * 3) Higher RPI
 * 4) Coin Flip

Bracket
* denotes overtime period