Menelaos Efstathiou

Menelaos Efstathiou (; born 2 March 1999) is a Cypriot tennis player. Efstathiou has a career high ATP singles ranking of No. 638 achieved on 29 June 2026 and a career high ATP doubles ranking of No. 464 achieved on 10 November 2025.

Efstathiou has represented Cyprus in the Davis Cup, where he has a W/L record of 5–6.

Juniors Efstathiou reached the quarterfinals of the 2017 Australian Open boys' singles championships.

Efstathiou has a career high ITF junior combined ranking of world No. 42 achieved on 27 March 2017.

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Davis Cup Participations: (5–6)

Group membershipWorld Group (0–0)WG play-off (0–0)Group I (0–0)Group II (0–2)Group III (1–3)Group IV (4–1)Matches by surfaceHard (0–2)Clay (5–4)Grass (0–0)Carpet (0–0)Matches by typeSingles (5–6)Doubles (0–0) indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface.

Games of the Small States of Europe Doubles 2 (2 victory)