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Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Pedro Duque had a short stay (7 days total) I think (up with 7S on 10/20/03, down with 6S on 10/27/03), he may be the shortest stay-er ever.

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

Yuri Shargin: 10 days total in 2004

Roberto Vittori: 10 days total in 2005

Sheikh Muszaphar Shukor: 10 days total in 2007

There were a number of other early Soyuz swapout "taxi" flights with 10 day durations; I have not listed all those crewmembers.

André Kuipers: 11 days total in 2004

Sources:

1. https://www.nasa.gov/feature/space-station-20th-space-flight-participants

2. "ISS As Flown Flight Plan" - personal notes.

Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Pedro Duque had a short stay (7 days total) I think (up with 7S on 10/20/03, down with 6S on 10/27/03), he may be the shortest stay-er ever.

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

Yuri Shargin: 10 days total in 2004

Roberto Vittori: 10 days total in 2005

There were a number of other early Soyuz swapout "taxi" flights with 10 day durations; I have not listed all those crewmembers.

André Kuipers: 11 days total in 2004

Sources:

1. https://www.nasa.gov/feature/space-station-20th-space-flight-participants

2. "ISS As Flown Flight Plan" - personal notes.

Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Pedro Duque had a short stay (7 days total) I think (up with 7S on 10/20/03, down with 6S on 10/27/03), he may be the shortest stay-er ever.

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

There were a number of other early Soyuz swapout "taxi" flights with 10 day durations; I have not listed all those crewmembers.

Sources:

1. https://www.nasa.gov/feature/space-station-20th-space-flight-participants

2. "ISS As Flown Flght Plan" - personal notes.

Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Pedro Duque had a short stay (7 days total) I think (up with 7S on 10/20/03, down with 6S on 10/27/03), he may be the shortest stay-er ever.

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

Yuri Shargin: 10 days total in 2004

Roberto Vittori: 10 days total in 2005

Sheikh Muszaphar Shukor: 10 days total in 2007

There were a number of other early Soyuz swapout "taxi" flights with 10 day durations; I have not listed all those crewmembers.

André Kuipers: 11 days total in 2004

Sources:

1. https://www.nasa.gov/feature/space-station-20th-space-flight-participants

2. "ISS As Flown Flight Plan" - personal notes.

Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

Source: https://www.nasa.gov/feature/space-station-20th-space-flight-participants

Tourists aka "Space Flight Participants":

Probably Dennis Tito; if full flight duration is counted, then a tie with Hazzaa al Mansoori

The source says "6 days aboard ISS" for Tito and "8 days aboard ISS" for al Mansoori; the chart apparently is for the full mission. The difference probably reflects the short rendezvous profiles currently in use. If one goes by that, it would be Tito.

*nauts:

Pedro Duque had a short stay (7 days total) I think (up with 7S on 10/20/03, down with 6S on 10/27/03), he may be the shortest stay-er ever.

Talgat A. Musabayev and Yuri M. Baturin (labeled "Russian politician") stayed the same amount of time as Tito.

There were a number of other early Soyuz swapout "taxi" flights with 10 day durations; I have not listed all those crewmembers.

Sources:

1. https://www.nasa.gov/feature/space-station-20th-space-flight-participants

2. "ISS As Flown Flght Plan" - personal notes.