Hayakawa (written: 早川) is a Japanese surname. Notable people with the surname include:
Chuko Hayakawa (born 1945), Japanese politician
Hiromi Hayakawa (born 1982), Mexican singer
Kenichi Hayakawa (born 1986), Japanese male badminton player
Kiyotaka Hayakawa (1946–2005), Japanese handball player
Nami Hayakawa (born 1984), Japanese athlete
Norio Hayakawa (born 1944), American activist
Noritsugu Hayakawa (1881–1942), Japanese businessman
Ren Hayakawa (born 1987), Japanese female archer
S. I. Hayakawa (1906–1992), semanticist and United States Senator from California
Sakura Hayakawa (born 1997), Japanese rhythmic gymnast
Sayo Hayakawa (born 1983), Japanese fashion model
Sessue Hayakawa (1889–1973), motion picture actor
Tokuji Hayakawa (1894–1981), founder of Hayakawa Kinzoku Kougyou (the present-day Sharp Corporation)
Tomonobu Hayakawa (born 1977), former Japanese footballer
Hayakawa Senkichirō (1863–1922), Japanese politician and president of the South Manchurian Railway
Lady Hayakawa (died 1613), a common nickname for one of Ujiyasu's daughters and Ujizane Imagawa's wife
