Phallon Abaigeal Tullis-Joyce (born October 19, 1996) is an American professional soccer player who plays as a goalkeeper for English Women's Super League club Manchester United.
 She previously played college soccer for the Miami Hurricanes and professionally for French Division 1 Féminine club Reims and OL Reign of the National Women's Soccer League.
 Born and raised in Long Island, New York, Tullis-Joyce attended Longwood High School where she was a five year varsity player and most valuable player (MVP). A multiple-award winner, Tullis-Joyce was named all-league, all-conference and all-county her last three seasons and Named League 1 Player of the Year in 2012. She was also named to the state team in 2012-13. 
 Tullis-Joyce played club soccer for Match Fit Colchesters and helped lead the team to the US Youth National League Championship in 2013. She previously played for the Farmingdale United  and WPSL FC Westchester Elite. She played for the Eastern New York Olympic Development Program (ODP) as well as the regional ODP team. 
 Tullis-Joyce attended the University of Miami where she played collegiate soccer for Miami Hurricanes. As a redshirt freshman, she started in goal nine times, made 24 saves, and conceded 13 goals with one or fewer allowed in five of the matches she played. She ranked ninth in the Atlantic Coast Conference (ACC) in shutouts per game (0.22). During her sophomore season with the team, Tullis-Joyce was the starting goalkeeper and was named to the All-ACC Academic Team. She earned NSCAA College Player of the Week ACC Defensive Player of the Week honors in September 2016.
 Tullis-Joyce declared for the 2019 NWSL College Draft but was not selected. On January 19, 2019, Tullis-Joyce signed with French Division 2 club Stade de Reims. She made her debut on April 14, 2019 in a 4–0 league win against Brest. The team was promoted as champions at the end of the season. During the 2019–20 season, she was the starting goalkeeper in 16 matches. Reims finished the regular season in eighth place with a 4–9–3 record. During the 2020–21 season, she started in all 22 league matches. Reims finished the season in sixth place with a 9–10–3 record.
 On April 8, 2021, Tullis-Joyce signed a one-and-a-half-year contract with American NWSL club OL Reign. During the 2021 season, she was a backup goalkeeper for on-loan French international Sarah Bouhaddi and made one appearance during the season. The Reign finished in second place during the regular season with a 13–8–3 record. After advancing to the NWSL Playoffs, they were eliminated by eventual champions Washington Spirit.
 Following the departure of Bouhaddi, Tullis-Joyce was the starting goalkeeper during the 2022 season, starting all 30 matches. She won five save of the week honors, was named to the NWSL Team of the Month for May and earned Challenge Cup Team of the Tournament honors. In July 2022, she signed a contract extension through the 2024 season with the Reign.
 On September 14, 2023, Tullis-Joyce signed for Manchester United. The club reportedly paid a transfer fee of $160,000, a record fee for a goalkeeper.
 In June 2022, Tullis-Joyce was included in United States national team's 59-player provisional squad for the 2022 CONCACAF W Championship.
 Tullis-Joyce majored in marine biology and is a certified scientific diver.
 Reims
 OL Reign
 Individual