Arne Carlsson (gymnast)
Arne Hardy" Lill- Arne" Carlsson( 13 July 1924 – 10 February 2011) was a Swedish gymnast.
He competed at the 1952 Summer Olympics in all artistic gymnastics events with the best individual result of 44th place on the vault.
Tatyana Ananko
Tatyana Vasilyevna Ananko( born June 26, 1984) is a Belarus rhythmic gymnast.
She won a silver medal at the 2000 Summer Olympics.
She was born in Minsk, Belarus.
Carl Andersen (gymnast)
Carl Andersen (9 March 1879 – 12 September 1967) was a Danish gymnast and architect.
Dominique Pegg
Dominique Pegg( born May 24, 1995) is a Canadian artistic gymnast and competed at the 2012 Summer Olympics.
Lukas Dauser
Lukas Dauser( born 15 June 1993) is a German male artistic gymnast and a member of the national team.
Arne Carlsson (ice hockey)
Gustav Arne Carlsson( born 5 January 1943) is a Swedish former ice hockey defenceman.
Carlsson competed at the 1968 Winter Olympics in Grenoble, France.
He previously played for Södertälje SK, Frölunda HC, and Almtuna IS in the Swedish Elite League.
Mitch Gaylord
Mitchell Jay Gaylord( born March 10, 1961) is an American gymnast and Olympic gold medalist.
Anna Gavrilenko
Anna Vitaliyevna Gavrilenko is a Russian group rhythmic gymnast and Olympic champion.
Ina Ananieva
Ina Ananieva is a former Bulgarian gymnast and rhythmic gymnastics coach.
Romina Gupta
Romina Gupta is an American acrobatic gymnast and a former member of the USA National Gymnastics Team.

Question: Did Arne Carlsson (Gymnast) and Tatyana Ananko have the same nationality?
Answer: no