Alexander Robert Frusina (born December 17, 2005) is an American tennis player. He has a career-high ATP singles ranking of No. 1,265 achieved on September 16, 2024 and a doubles ranking of No. 1,771, reached on July 28, 2025.
Frusina made his Slam major debut at the 2023 US Open. He received a wildcard into the men's doubles main draw with Adhithya Ganesan, after they won the USTA boys' doubles national championship.