1980 Seiko Hong Kong Classic

The 1980 Seiko Hong Kong Classic, also known as the Hong Kong Open, was a men's tennis tournament played on outdoor hard courts in Hong Kong that was part of the 1980 Grand Prix tennis circuit. It was the eighth edition of the event and was held from 3 November through 19 November 1980. Second-seeded Ivan Lendl won the singles title.

Singles
Ivan Lendl defeated 🇺🇸 Brian Teacher 5–7, 7–6(7–2), 6–3
 * It was Lendl's 6th singles title of the year and of his career.

Doubles
🇺🇸 Ferdi Taygan / 🇺🇸 Peter Fleming defeated 🇺🇸 Bruce Manson / 🇺🇸 Brian Teacher 7–5, 6–2