His condition is "stable," Rio de Janeiro's Samaritano hospital said in a brief statement. They would not say when he was interned.
It is the second time in two years that Havelange has been hospitalised for pulmonary issues.
The former Olympic swimmer and ex-boss of the Brazilian Sports Confederation, was president of football's governing body for 24 years until 1998. He resigned as it's honorary president amid corruption allegations in 2013.
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
(Writing by Andrew Downie, reporting by Caio Saad; editing by Justin Palmer)
