| First name and last name | Chiaki Mukai |
| Date of birth | 06.05.1952 |
| Nationality | JPN |
| Space Agency | Japan Aerospace Exploration Agency (JAXA) |
| Status | Retired |
| Type of astronaut | Government agency |
| Wikipedia | https://en.wikipedia.org/wiki/Chiaki_Mukai |
Chiaki Mukai (向井 千秋 Mukai Chiaki, born May 6, 1952, Tatebayashi, Gunma, Japan) is a Japanese doctor and JAXA astronaut. She was the first Japanese woman in space, and was the first Japanese citizen to have two spaceflights. Both were Space Shuttle missions; her first was STS-65 aboard Space Shuttle Columbia in July 1994, which was a Spacelab mission. Her second spaceflight was STS-95 aboard Space Shuttle Discovery in 1998. In total she has spent 23 days in space.