The 2019 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts.

It was the 10th edition of the tournament and fourth time as a WTA Premier tournament.

It was part of the 2019 WTA Tour and was held between 28 January and 3 February 2019.

[1] 1Qualifiers prize money is also the Round of 32 prize money.

*per team The following players received wildcards into the singles main draw: The following player received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: The following players received entry as lucky losers: The following pair received a wildcard into the doubles main draw: