No, just most of them when the order was given. Obi Wan was lucky enough to escape and he watched over Luke, and Yoda escaped as well. He had been on the Jedi council. But however much they wanted to kill all the Jedi, they never could kill all the people who had a connection to the Force.

[Though they tried. Leia remembered them trying, which was why her own abilities had been so tightly bound and woven together inside of herself so that no one would ever be able to suss them out.

Not even Vader.]