Gjertsen

Gjertsen is a Norwegian surname. Notable people with the surname include:


 * Astrid Gjertsen (1928–2020), Norwegian politician
 * Doug Gjertsen (born 1967), American swimmer
 * Finn Gjertsen (born 1959), Norwegian artistic gymnast
 * Joey Gjertsen (born 1982), American soccer player
 * Lasse Gjertsen (born 1984), Norwegian animator, musician, and videographer
 * Torgil Øwre Gjertsen (born 1992), Norwegian footballer