The Nanjing Cube, officially known as the Nanjing Youth Olympic Sports Park Stadium, is a modern sports venue in Nanjing, China, designed for the 2014 Summer Youth Olympic Games. With a seating capacity of 60,000, the stadium features a striking, cube-like exterior and advanced energy-efficient design.

It has become an important hub for athletics events and hosted key events during the Youth Olympic Games. The next event which the Cube will host is the World Athletics Indoor Championships from March 21–23, 2025.