
Takuya Ōnishi
Takuya Ōnishi is a Japanese engineer, former airline pilot, and JAXA astronaut who has completed two long-duration missions to the International . His flight record spans Soyuz operations in 2016 and Crew Dragon operations in 2025.
- Born
- December 22, 1975
- Died
- N/A
- Birthplace
- Nerima, Tokyo,Japan
Flights
2
Spacewalks
N/A
EVA time
N/A
In space
262 days, 18 hours, 51 minutes
Bio
Ōnishi was born in Nerima, Tokyo, and earned a degree in aeronautical and space engineering from the University of Tokyo in 1998. Before astronaut selection, he worked as a pilot for All Nippon Airways, bringing professional aviation experience into JAXA's astronaut corps.
JAXA selected Ōnishi in 2009. His first mission was Soyuz MS-01 in 2016 with Anatoli Ivanishin and Kathleen Rubins, serving aboard the ISS during 48/49. He returned to orbit on SpaceX Crew-10 in 2025 with Anne McClain, Nichole Ayers, and Kirill Peskov for Expedition 72/73 station work.
Ōnishi has not performed an , but his two completed station missions total 262 days, 18 hours, 51 minutes in space. Expedition labels are station increments inside his Soyuz and Crew Dragon flights, not separate launches.




