Hyozo Omori (?? ??, Omori Hyozo, March 14, 1876 – January 3, 1913) was a Japanese physical education specialist who studied in America and married the American artist Annie Barrows Shepley.
In Japan, they established Yurin En (House of the Friendly Neighbor), which was a settlement house and leader in the Japanese playground movement.
Omori introduced basketball and volleyball to the country and was the team manager at the 1912 Stockholm Olympics in Sweden.