Stardom 5★STAR Grand Prix 2026 ~Opening Round~

5★STAR Grand Prix 2026 ~Opening Round~ was a professional wrestling event promoted by World Wonder Ring Stardom, held on July 18, 2026 at EBARA WAVE Arena Ota (formerly Ota City General Gymnasium) in Tokyo, Japan. It served as the first show for the company's annual round-robin singles tournament.