Kira Nagy (born 29 December 1977) is a former tennis player from Hungary.

During her professional years, she won 18 singles and ten doubles titles at tournaments of the ITF Women's Circuit.

Kira won her first match on the WTA Tour in 2007 at the Palermo Ladies Open, defeating German Tatjana Malek 6–2, 7–5, before losing to Émilie Loit.

She competed in the 2007 US Open, where she drew Venus Williams in the first round, losing 2–6, 1–6.

This was her second Grand Slam tournament, after qualifying for the US Open in 2000.