Ásta Árnadóttir (born 9 June 1983) is an Icelandic footballer who plays the position of defender.

Ásta was part of Iceland's national team and was a member of the squad at UEFA Women's Euro 2009.

She was known for her flick-flack throw-ins and recorded a video for UEFA Training Ground series, demonstrating the technique.

[4] Ásta made her senior international debut for Iceland in a 4–3 defeat by the United States in September 2004.

At UEFA Women's Euro 2009, Ásta was included in the squad but did not play in any of the matches as Iceland were eliminated in the first round.