Erin Marsh (born July 12, 1999) is an American track and field athlete.

She won the gold medal in the heptathlon at the 2023 Pan American Games.

She finished third at the NCAA indoor championship pentathlon competition in 2021, behind Tyra Gittens and Anna Hall in Fayetteville in March 2021.

[4] In February 2023, she finished third in the pentathlon at the USA Indoor Championships, held at the Convention Center, Albuquerque.

[5] Marsh won the gold medal in the heptathlon at the 2023 Pan American Games in Santiago, Chile.