Jaelin Marie Howell (born November 21, 1999) is an American professional soccer player who plays as a midfielder for Gotham FC of the National Women's Soccer League (NWSL) and the United States national team. She played college soccer for the Florida State Seminoles, winning the Hermann Trophy in two consecutive seasons (2020 and 2021). She won national championships in 2018 and 2021.

Racing Louisville selected Howell second overall in the 2022 NWSL Draft, and she became Racing's captain the following year. In 2024, she was traded midseason to the Seattle Reign. She then joined Gotham and won the 2025 NWSL Championship in her first season with the Bats.

After playing at the under-17 and under-20 levels, Howell made her senior debut for the United States in 2020.

Howell played youth club soccer for Real Colorado and attended Fossil Ridge High School in Fort Collins, Colorado. She was named an NSCAA All-American in 2015. Howell was youth club and high school teammates with USWNT teammate Sophia Wilson

Howell played college soccer for Florida State Seminoles. She was awarded the Hermann Trophy in 2020, honoring the United Soccer Coaches National Players of the Year in NCAA Division I women's soccer. She again won the Hermann Trophy in 2021 for the second consecutive season.

On January 21, 2022, Howell signed a three-year contract with Racing Louisville FC after being selected second by the team in the 2022 NWSL Draft.

Howell made her Racing Louisville debut on March 18 in the NWSL Challenge Cup opener, starting in midfield against the Kansas City Current. The midfielder was second in the NWSL in minutes played last season among rookies, only trailing her Racing teammate Savannah DeMelo. Howell had two assists for the year.

Howell was named Racing's captain before the 2023 season.