Jaroslav Bába ( , born September 2 1984 in Karviná) is a Czech high jumper.

At the 2004 IAAF World Indoor Championships he jumped 2.25 metres and won a joint bronze medal along with Germaine Mason and Ştefan Vasilache. The same year he won the Olympic bronze medal with 2.34 m.

In 2005 he jumped a new personal best of 2.36 m in July in Rome, and later finished fifth at the World Championships. He had 2.37 m on the indoor track in Arnstadt from February of the same year. He did not compete in the 2006 season.

Bába's life partner is another Czech athlete Denisa Ščerbová.