Dadzie is a surname. Notable people with the surname include:
Ebenezer Dadzie (born 1975), Ghanaian football striker Emmanuel Kodjoe Dadzie (1916–1983), Ghanaian diplomat Francis Dadzie, Ghanaian professional footballer Gifty Afenyi-Dadzie (born 1957), Ghanaian female journalist and businesswoman Ken Dadzie, Ghanaian soldier Kenneth Dadzie (1930–1995), Ghanaian diplomat Stella Dadzie (born 1952), British educationalist, activist, writer and historian
See also John Dadzie, better known by his musical aliases 12th Planet and Infiltrata Adze Azie