There are two different "US Open" tournaments commonly referred to: the US Open in golf and the US Open in tennis. For the 2025 US Open golf tournament, the field consists of 156 players. This includes 87 fully exempt players and additional qualifiers to complete the field.
For the 2025 US Open tennis tournament, the singles draw features 128 players, and there are also 64 doubles teams competing.
Please specify if the question was about the golf or tennis US Open for more tailored details.
