There are 15,074 documented lakes in Wisconsin. Of these, about 40 percent have been named. They range in size from small one-and two-acre () ponds to Lake Winnebago. They range in depth from a few feet (around 1 meter) to for Wazee Lake. Lake Winnebago is the largest lake by volume and the lake with the longest shoreline, if you ignore Lake Michigan and Lake Superior. The largest man-made lake is Petenwell Lake, which was created by damming the Wisconsin River. Vilas County has the most lakes (1,318) and Brown and Outagamie counties the fewest (4). Many lakes have the same names, with 116 named Mud Lake. Swimming, fishing, and/or boating are permitted in some of these lakes, but not all.
Great Lakes
Lake Michigan (extends into Illinois, Indiana, and Michigan) Lake Superior (extends into Michigan, Minnesota, and Ontario)
Inland lakes
Named inland lakes are listed below. Alternate names are indicated in parentheses.
Adams County
Amey Pond
Arkdale Lake (Millpond) Arrowhead Lake (Manchester) Big Roche A Cri Lake Fawn Lake Camelot Lake Castle Rock Lake Crooked Lake Deep Lake Easton Lake Fenner Lake (Fenners) Friendship Lake (Millpond) Goose Lake Jordan Lake (Long) Kilbourn Flowage McCall Lake Mason Lake McDougall Lake McGinnis Lake Parker Lake Patrick Lake Peppermill Lake (Beaver Pond) Roller Lake Petenwell Lake Sherwood Lake (Deer Lodge) Silver Lake Wolf Lake
Ashland County
Alex Pond
Augustine Lake
Bad River Slough
Bass Lake
Bay Spring
Bear Lake
Beaver Lake
Beaver Lake
Beaver Lake
Beaverdam Lake
Big Bay Lagoon - Madeline Island
Black Lake (Birch) Blueberry Lake Bog Lake Bullhead Lake Butternut Lake Cammerer Lake Camp Four Lake Caroline Lake Conley Lake Cranberry Lake Cub Lake Cycle Lake Day Lake Flowage Dead Horse Slough Ditmans Lake Dollar Lake Dry Lake Duck Lake English Lake Eureka Lake Galilee Lake Gates Lake Gilbert Lake Gordon Lake Hay Lake Hoffman Lake Honest John Lake John Frank Lake Kakagon Slough Kempf Springs Kenyon Springs Knab Lake Lindbergh Lake Little Butternut Lake Little Clam Lake Long Lake (Leland) Long Lake Loon Lake Lost Lake Luebke Lake Mc Laren Lake (McLarens) McCarthy Lake Meder Lake Meyer Lake Mineral Lake Moquah Lake Mud Lake (Gormely) Murphy Lake Muskellunge Lake Parker Lake Pelican Lake Pictured Rock Lake Pole Lake Potter Lake Seagels Lake Seitz Lake (Sietz, Sitz) Sells Lake Slim Lake Snoose Lake (Snooze) Snowshoe Lake (Billard) Spider Lake Spillerberg Lake Sugarbush Lake Summit Lake Tea Lake Three, Lake Torrey Lake Trout Lake Twin Lake, East Twin Lake, West Twin Lakes, East Twin Lakes, West Upper Clam Lake White River Flowage Wolf Lake Wolfs Pond Woodtick Lake Zielke Lake