Hideki Kaneko (born 6 March 1974) is a former professional tennis player from Japan.

Kaneko, a left-handed player from Tokyo, began playing tennis at the age of eight.

Most of his ATP Tour main draw appearances were as a wildcard at his home events, the Japan Open and Tokyo Indoor.

His four Davis Cup ties for Japan included a five-set loss to Todd Woodbridge in 1996 and a decisive fifth rubber win over Uzbekistan in Tashkent in 1997.

He was a member of the silver medal-winning Japanese team at 1998 Asian Games in Bangkok.