Deer Valley is an organized hamlet in the Rural Municipality of Lumsden No. 189, Saskatchewan, Canada. It is approximately 25 km (16 mi) northwest of Regina and 6 km (3.7 mi) 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.