John Mattke (born October 29, 1958) is a former professional tennis player from the United States.

While studying for a business degree he spent four years on the college's tennis team.

[1] In 1983 he had his first year touring as a professional and made a Grand Prix quarter-final in the Washington Open doubles, with Chile's Juan Carlos Ayala.

[3] At the 1984 Australian Open, Mattke made his only main draw appearance in singles and had a four-set win over Paul Kronk in the first round, before losing to New Zealander Bruce Derlin.

Still living in Minnesota, Mattke works as an executive at granite company Coldspring.