The WTA Singapore Open is a WTA Tour affiliated women's tennis tournament.

It was founded in 1986 as Carlsberg Singapore Women's Open,[1] the event ran till 1994, and resumed in 2025.

It is held at the Kallang Tennis Centre in Singapore.

The tournament is held on indoor hardcourts from 2025 onwards,[2] and was also held indoors in 1986, and then on outdoor hardcourts from 1987 to 1994.

It is part of the WTA 250 tournaments since 2025 [3]and was part of the WTA Tier IV category in 1990 and 1994.