Halsen Idrettsforening is a sports club located in Østre Halsen, Larvik, Norway. The club was founded as Halsen Ballklubb on 22 October 1933, and today it has sections for association football and handball. The men's football team currently plays in 3. divisjon, the fourth tier of the Norwegian football league system.

The club was initially founded in 1919, as a football club, but was dissolved in 1926. Halsen Ballklubb was re-founded on 22 October 1933. In 1948, the club changed its name to the current Halsen Idrettsforening.

Halsen IF was founded as Halsen Ballklubb on 22 October 1933. The men's football team currently plays in 4. divisjon, the fifth tier of the Norwegian football league system. They have played in the fifth tier since they relegated from the 3. divisjon in 2023.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.