Minnesota State Highway 91

Trunk Highway 91
MN 91 highlighted in red
Route information
Maintained by MnDOT
Length	61.456 mi (98.904 km)
Existed	1933–present
Major junctions
South end	CR L14 at the Iowa state line near Ellsworth
Major intersections	I-90 at Adrian MN 30 at Lake Wilson US 14 at Rock Lake–Shelburne townships
North end	MN 23 at Russell
Location
Country	United States
State	Minnesota
Counties	Nobles, Murray, Lyon
Highway system
Minnesota Trunk Highway System Interstate US State Legislative Scenic
← I-90 → MN 92

Minnesota State Highway 91 (MN 91) is a 61.456-mile-long (98.904 km) highway in southwest Minnesota. It runs from Lyon County Road L14 at the Iowa state line near Ellsworth northward to State Highway 23 at Russell.