The 2019 National Pro Fastpitch season was the 16th season of professional softball under the name National Pro Fastpitch (NPF) for the only professional women's softball league in the United States.
From 1997 to 2002, NPF operated under the names Women's Pro Fastpitch (WPF) and Women's Pro Softball League (WPSL).
Each year, the playoff teams battle for the Cowles Cup.
On October 30, 2018, National Pro Fastpitch announced the addition of the expansion team Canadian Wild for the 2019 season, which features members of Canada women's national softball team.
Pitcher Kelly Barnhill of Florida was selected first overall by the Chicago Bandits.