Alex Pfeiffer is a 19-year-old professional football player from USA. He currently plays for Bay FC (w), wearing the number 17 shirt. At the international level, he represents USA Women U20. He plays primarily as a Midfield.

Across 9 appearances in the United States Women's National Soccer League 2025, Alex Pfeiffer registered 0 goals and 0 assists, while completing 2 key passes out of 36 total passes with a passing accuracy of 3.2.