There are at least 166 named lakes and reservoirs in Beaverhead County, Montana.

Lakes
 Ajax Lake, , el. 
 Albino Lake, , el. 
 Alpine Lake, , el. 
 Anchor Lake, , el. 
 Antelope Pond, , el. 
 Baldy Lake, , el. 
 Barb Lake, , el. 
 Bear Lake, , el. 
 Berry Lake, , el. 
 Black Lion Lake, , el. 
 Blair Lake, , el. 
 Blanchard Pond, , el. 
 Boatman Lake, , el. 
 Bobcat Lakes, , el. 
 Bobs Lake, , el. 
 Cattle Gulch Lake, , el. 
 Chain Lake, , el. 
 Chan Lake, , el. 
 Cherry Lake, , el. 
 Conklin Lake, , el. 
 Continental Lake (Montana), , el. 
 Cooks Lake, , el. 
 Cowbone Lake, , el. 
 Coyote Lake, , el. 
 Crescent Lake, , el. 
 Crystal Lake, , el. 
 Dad Creek Lake, , el. 
 Darkhorse Lake, , el. 
 Deadman Lake, , el. 
 Deerhead Lake, , el. 
 Dingley Lakes, , el. 
 Dollar Lake, , el. 
 Elbow Lake, , el. 
 Elk Lake, , el. 
 Elkhorn Lake, , el. 
 Englejard Lake, , el. 
 Ferguson Lake, , el. 
 Fish Creek Lake, , el. 
 Foolhen Lake, , el. 
 Glacier Lake, , el. 
 Goldstone Lake, , el. 
 Gorge Lakes, , el. 
 Grace Lake, , el. 
 Granite Lake, , el. 
 Grassy Lake, , el. 
 Grayling Lake, , el. 
 Green Lake, , el. 
 Grouse Lakes, , el. 
 Hall Lake, , el. 
 Hamby Lake, , el. 
 Harkness Lakes, , el. 
 Harrison Lake, , el. 
 Heart Lake, , el. 
 Hidden Lake, , el. 
 Highup Lake, , el. 
 Hopkin Lake, , el. 
 Horseshoe Lake, , el. 
 Ice Pond, , el. 
 Janhke Lake, , el. 
 Johanna Lake, , el. 
 Kelly Lake, , el. 
 Lake Abundance, , el. 
 Lake Agnes, , el. 
 Lake Canyon Lake, , el. 
 Lake Geneva, , el. 
 Lake of the Woods, , el. 
 Lena Lake, , el. 
 Lillian Lake, , el. 
 Lily Lake, , el. 
 Lily Lake, , el. 
 Lion Lake, , el. 
 Lion Lake, , el. 
 Lion Lake, , el. 
 Little Lake, , el. 
 Long Branch Lake, , el. 
 Long Lake, , el. 
 Lovell Lake, , el. 
 Lovells Lake, , el. 
 Lower Miner Lakes, , el. 
 Lower Red Rock Lake, , el. 
 MacDonald Pond, , el. 
 Maurice Pond, , el. 
 May Lake, , el. 
 Minneopa Lake, , el. 
 Morrison Lake, , el. 
 Mosquito Lake, , el. 
 Mud Lake, , el. 
 Mud Lake, , el. 
 Mud Lake, , el. 
 Mulkey Lake, , el. 
 Mussigbrod Lake, , el. 
 Mystic Lake, , el. 
 Nymphaea Lake, , el. 
 Odell Lake, , el. 
 Ovis Lake, , el. 
 Pear Lake (Montana), , el. 
 Peterson Lake, , el. 
 Phlox Lake, , el. 
 Pintler Lake, , el. 
 Pioneer Lake, , el. 
 Poison Lakes, , el. 
 Polaris Lake, , el. 
 Rainbow Lake, , el. 
 Ridge Lake, , el. 
 Rock Island Lakes, , el. 
 Sand Lake, , el. 
 Sawed Cabin Lake, , el. 
 Sawtooth Lake, , el. 
 Schulz Lakes, , el. 
 Schwinegar Lake, , el. 
 Scott Lake, , el. 
 Selway Lake, , el. 
 Shambow Pond, , el. 
 Skinner Lake, , el. 
 Skytop Lake, , el. 
 Slag-a-melt Lakes, , el. 
 Steer Lake, , el. 
 Stewart Lake, , el. 
 Stone Lakes, , el. 
 Surprise Lake, , el. 
 Swan Lake, , el. 
 Swift Lake, , el. 
 Tahepia Lake, , el. 
 Teacup Lake, , el. 
 Tendoy Lake, , el. 
 Tent Lake, , el. 
 Timberline Lake, , el. 
 Torrey Lake, , el. 
 Trapper Lake, , el. 
 Trusty Lake, , el. 
 Twin Lakes, , el. 
 Twin Lakes, , el. 
 Upper Miner Lakes, , el. 
 Upper Red Rock Lake, , el. 
 Van Houten Lake, , el. 
 Vera Lake, , el. 
 Violet Lake (Montana), , el. 
 Waukena Lake, , el. 
 Widgeon Pond, , el.

Reservoirs
 Anchor Lake (Montana), , el. 
 Blomquist Reservoir, , el. 
 Bond Lake, , el. 
 Boot Lake, , el. 
 Brownes Lake, , el. 
 Canyon Lake, , el. 
 Clark Canyon Reservoir, , el. 
 Deerhead Lake, , el. 
 Dillon Reservoir, , el. 
 Estler Lake, , el. 
 Fish Reservoir, , el. 
 Hirschy Reservoir, , el. 
 Kelley Reservoir, , el. 
 Kelly Reservoir, , el. 
 Keystone Reservoir, , el. 
 Lake Agnes, , el. 
 Lima Reservoir, , el. 
 Morgan Jones Lake, , el. 
 Mussigbrod Lake, , el. 
 Overnight Reservoir, , el. 
 Pear Lake (Montana), , el. 
 Reservoir Lake, , el. 
 Reservoir Lake, , el. 
 Schultz Reservoir, , el. 
 Tub Lake, , el. 
 Waukena Lake, , el. 
 Widgeon Pond, , el.

See also
 List of lakes in Montana

Notes

Bodies of water of Beaverhead County, Montana
Beaverhead