McWhinney or McWhinney Heavy Stemmed is a term for a shape of point in prehistoric lithic weapons and tools found primarily in the midwestern United States, dating from the Late Archaic period in the Americas.
The McWhinney Heavy Stemmed type has become in some ways a representation of the ambiguous in the field of archaeology.
Heilman, based on a surface collection from the McWhinney Village in Preble County, Ohio.
Kent Vickery (1972:3) has suggested that McWhinney Heavy Stemmed points, “exhibit considerable stylistic variation, and probably represent several varieties.” The points have been found in Indiana, Ohio, and Kentucky.
Currently, there are a few known points that are similar to McWhinney, these include: Karnak, Lamoka, and Bradley Spike (Justice 1987).