Laich and Hough each tweeted a link to a photo of the couple with the same message Tuesday: "We are overwhelmed with joy and excitement to share with you our recent engagement! #fiance #love"
Hough is an actress and became a judge on "Dancing With The Stars" after winning the competition.
Laich has played 11 seasons in the NHL.
"Dancing With The Stars" will premiere its 20th season on ABC, Monday, Sept. 14 at 8/7 p.m. CT.
The Associated Press contributed to this report.