Lisa Fjeldstad Naalsund (born 11 June 1995) is a Norwegian professional footballer who plays as a midfielder for Manchester United of the English Women's Super League and the Norway national team.

On 14 April 2012, Naalsund made her senior debut for the club when she started the season opener, a 1–1 draw with Røa IL.

On 24 January 2023, Naalsund signed for English Women's Super League club Manchester United on a three-and-a-half-year contract.

[11] Having joined while working through fitness issues, Naalsund had to wait until 19 March 2023 to make her debut, starting in an FA Cup quarter-final against second division team Lewes.

[5] Naalsund made her senior international debut for the Norway on 10 June 2021, coming on as an 80th-minute substitute for Vilde Bøe Risa in a friendly 1–0 loss against Sweden.