Republicans cheered on the win, with GOP presidential hopeful Mitt Romney calling it "a signal" of conservative support.
After congratulating Walker, former Alaska Gov. Sarah Palin used the election to blast union leadership for what she called a misguided effort to trick members into supporting big government.
"Perhaps it's those union leaders that need to be recalled and replaced," Palin told Fox News' Greta Van Susteren. "Wisconsin voters are sick and tired of the division that has been called by the radical left."
Below, a round-up of other reactions to Walker's recall win:
ALSO ON HUFFPOST:
How will Donald Trump’s first 100 days impact YOU? Subscribe, choose the community that you most identify with or want to learn more about and we’ll send you the news that matters most once a week throughout Trump’s first 100 days in office. Learn more