Nayoko Yoshikawa (Japanese: ?????, born 18 February 1949) is a Japanese professional golfer who played on the LPGA of Japan Tour (JLPGA) and the LPGA Tour.
Yoshikawa won 29 times on the JLPGA between 1979 and 1995.
She was the leading money winner on JLPGA in 1988.
One of Yoshikawa's JLPGA wins was co-sanctioned with the LPGA Tour, the 1984 Mazda Japan Classic.Yoshikawa finished third at the LPGA Tour's qualifying school tournament in January 1978 and played sparingly on the LPGA Tour from 1978 to 1980.