Nils Ludvig Fritzson (born 25 August 1995) is a Swedish professional footballer who plays as an attacking midfielder for Polish club Zagłębie Lubin.

After impressing in the lower leagues for Tibro, he attracted the attention of Superettan side Degerfors IF.

In two seasons he scored 9 goals in 50 games, and subsequently attracted the attention of Östersunds FK in the Allsvenskan.

[2] In his first season at the club, he played 13 games, scoring twice, including the winner against IFK Göteborg.

[3] On 14 January 2025, after a two-year stint with IF Brommapojkarna, Fritzson made his first career move abroad to join Polish club Zagłębie Lubin on a deal until June 2026, with a one-year extension option.