McKinney is a city in Collin County, Texas, United States. McKinney may also refer to: People McKinney (surname) Collin McKinney Places In the United States: McKinney Acres, Texas, census-designated place in Andrews County McKinney Falls State Park, Austin, Texas McKinney Homestead, Austin, Texas Other uses McKinney (advertising agency), a Durham, North Carolina-based advertising agency McKinney (horse) McKinney's, a legal publishing brand owned by West See also McKinnie (surname) Kinnie (disambiguation) Kinney (disambiguation)