Deer Valley is an organized hamlet in the Rural Municipality of Lumsden No. 189, Saskatchewan, Canada. It is approximately northwest of Regina and south of the Town of Lumsden.
The development of the Deer Valley community began in 1998. It was established as an organized hamlet on December 31, 2016.
Deer Valley has a three-member organized hamlet board that is chaired by Kristen Abel. The board reports to the Rural Municipality of Lumsden No. 189 as its administering municipality.