The playoffs began on September 13, 2023, and culminated with the Las Vegas Aces successfully defending their WNBA title by defeating the New York Liberty three games to one in the finals.

The 2023 Playoffs continued to use the format that the WNBA Board of Governors approved prior to the 2022 season.

As a result, all eight playoff teams, seeded according to overall regular season record regardless of conference (1 vs. 8, 2 vs. 7, 3 vs. 6, 4 vs. 5), will begin postseason play in the first round.

[note 1] Atlanta earned the fifth seed by virtue of its combined record against Minnesota and Washington (5–2), while Minnesota came in second place in the three-way tiebreak and earned the sixth seed by virtue of their record (3-3) against Atlanta and Washington.

The Atlanta Dream and Minnesota Lynx qualified this season, while the Seattle Storm and Phoenix Mercury did not.

Las Vegas secured the first seed on the last day of the season by virtue of defeating the Phoenix Mercury.

Chicago secured the eighth and final playoff spot on the penultimate day of the season by defeating Minnesota.

The teams played three times during the regular season, and Las Vegas won all three games.

They secured a playoff berth with two games remaining in the season by defeating the Phoenix Mercury.

The Mystics also had four startes score in double digits and were led by Myisha Hines-Allen with twenty-one points.

The Mystics turned the tied in the third quarter, winning 21–13 and cutting the Liberty's lead to only three points.

The Sun had five players score in double digits and were led by DeWanna Bonner with seventeen points.

They continued that strong showing in the second quarter, winning 23–15 and taking a fifteen-point lead into halftime.

The Sun won in Minnesota by fifteen points to secure the series win and advance to the Second Round.

The Atlanta Dream started Game One of the series at a blistering pace, winning the quarter 36–21.

The Wings attempted a comeback, winning the fourth quarter 26–24 but it was not enough to overcome the deficit and the Aces took game one by fifteen points.

The Aces had four players score in double digits and were led by A'ja Wilson with thirty-four points.

Dallas had six players score in double figures and were led by Satou Sabally with sixteen points.

Dallas attempted to mount a comeback and won the fourth quarter 27–21, but it was not enough to overcome the double digit deficit.

Natasha Howard scored twenty points, Satou Sabally added thirteen, and Teaira McCowan rounded out the double-digit scorers with twelve.

The Aces had four players score in double figures and were led by Chelsea Gray with fifteen points.

The Wings had three players score in double figures and were led by Arike Ogunbowale with eighteen points.

The Sun had four players score in double digits and were led by DeWanna Bonner with twenty points.

The Liberty had three players score in double figures and were led by Breanna Stewart with nineteen points.

The Liberty came out of halftime and only allowed 15 points the third quarter, winning 21–15, and took a two-point lead into the final frame.

The Sun didn't give up and won the second quarter 24–17, but still faced a fourteen-point deficit heading into halftime.

The Liberty had all five starter score in double figures and were led by Breanna Stewart with twenty-five points.

The Sun also had five players score in double figures and were led by Alyssa Thomas with twenty-three points.

The Sun had a more balanced attack with five players scoring in double figures, and were led by Alyssa Thomas with seventeen points.

Alyssa Thomas scored the first triple double of the playoffs, and her seventh of the season with fifteen rebounds and eleven assists.