The 1971 Rothmans International Quebec – Singles was an event of the 1971 Rothmans International Quebec men's tennis tournament held at the Laval University sports centre in Quebec City, Quebec in Canada from 26 July through 1 August 1971.

The draw comprised 30 players.

Tom Okker won the singles title, defeating Rod Laver in the final, 6–3, 7–6, 6–7, 6–4.

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