Nancy Morrison Orthwein (June 21, 1927 – August 8, 2015) was an American tennis player.

[1] Morrison, raised in Palm Beach, Florida, was the granddaughter of William Harley DaCamara, who was founder and president of Palm Beach Mercantile Company.

[1] A collegiate tennis player for Rollins College, Morrison won the 1948 Eastern Intercollegiate singles title.

Her doubles partnership with Barbara Scofield ranked as high as fourth in the United States.

[1] Morrison was the second wife of business executive Adolphus Busch Orthwein.