Hailey Davidson (born November 10, 2000) is an American professional soccer player from Prosper, Texas, who plays as a defender. She most recently played for Dallas Trinity FC.

Davidson spent several years playing for the FC Dallas Youth Academy, participating in Nationals in 2015, 2016, and 2017. She was captain between 2017 and 2018. Davidson helped the team win the 2017 ECNL National Championship and two Texas Conference Championships. Additionally, Davidson was a two-time Market Training Invitee and played twice against the U.S. Soccer U15 Girls National Team.

Davidson also played for Prosper High School, leading the team to 26 wins in her junior year as well as a 5A regional finals appearance.

In 2018, Davidson began her college soccer career at the University of Oklahoma. As a freshman, she started 13 games for the Sooners. In her sophomore year, Davidson made 20 appearances, further establishing herself as a key player for the team.

In 2020, Davidson transferred to the University of Pittsburgh and instantly became a regular starter in the Panthers' backfield.

In her final season with the Panthers in 2022, Davidson played a pivotal role in the most successful campaign in program history. She helped lead the team to a record 14 wins and secured their first-ever appearances in both the ACC Tournament and the NCAA Tournament. The Panthers advanced to the Round of 16 before falling to Florida State.

Davidson went undrafted in the 2023 NWSL Draft. She joined the Houston Dash for pre-season camp but she did not make the final roster. Afterwards, Davidson joined Mallbacken of the Swedish Elitettan on March 10, 2023. She made her professional debut as a starter a few weeks later against Eskilstuna United on March 31, 2023.

In August 2023, Davidson signed a one-year contract with Wellington Phoenix FC for the 2023–24 season, becoming the second American player to join the club after Hope Breslin. She made her club debut on October 15, 2023, against Melbourne City playing 90 minutes.