This article documents expected notable spaceflight events during the year 2026. NASA's Nancy Grace Roman Space Telescope, which will have a field of view 100 times larger than that of the Hubble Space Telescope, is scheduled to be launched in October 2026. China plans to launch Chang'e 7 to explore the lunar south pole in late 2026. The mission will include an orbiter, a relay satellite, a lander, a rover, and a mini-flying probe.