She posted a picture of the ring on her Instagram account, showing it sitting in the middle of a red rose.
"The easiest yes... Yes a thousand times," read the caption.
Well-wishers rushed to congratulate the couple, who have been together for nearly three years.
"Lovely news, big congrats," said a follower.
Another wrote: "Massive congrats Anna. Enjoy every minute."
Anna posted the photo showing a bouquet of pink, white and red roses, which was taken at the exclusive Castlemartyr Resort in her native Cork. The sports star met GAA executive Kevin in popular Dublin pub Flannery's.
She has previously spoken about how supportive he is of her. Anna said she had a conversation with Kevin before she signed up for her stint on Dancing With The Stars.
"He has been really supportive," she said.
Anna stormed through to the finals of the RTE dance show and finished as runner-up behind country singer Jake Carter. She has 20 All- Ireland medals, including seven senior All-Irelands, and became known as a star of the Cork camogie team.