Konadu is an Ashanti surname. Notable people with the Ashanti surname include:
Alex Konadu (born 1950s), Ghanaian guitarist
Asare Konadu (1932–1994), Ghanaian journalist, novelist and publisher
Maxwell Konadu (born 1972), Ghanaian footballer and manager
Nana Konadu (born 1964 as Nana Yaw Konadu Yeboah), Ghanaian boxer of the 1980s, '90s and 2000s
Nana Konadu Agyeman (born 1948), the First Lady of Ghana