Mawatari is a Japanese surname. Notable people with the surname include:
, Japanese footballer Junki Mawatari (born 1996), Japanese footballer Kazuaki Mawatari (born 1991), Japanese footballer Matsuko Mawatari (born 1967), Japanese pop singer-songwriter Tatsuharu Mawatari (born 1957), Japanese politician Yuki Mawatari (born 1909), Japanese swimmer