Carl Albert "Flisa" Andersen (15 August 1876 in Østre Aker – 28 September 1951 in Oslo) was a Norwegian pole vaulter, high jumper, and gymnast who competed in the 1900 Summer Olympics, 1906 Intercalated Games and the 1908 Summer Olympics.

[1][2] As an athlete Andersen represented the IF Ørnulf club and set many Norwegian national records[3] as well as being national champion in the pole vault and high jump in 1896, 1897 and 1900.

[4] Andersen participated in Athletics at the 1900 Summer Olympics in Paris and competed in two field events, and won the bronze medal in the pole vault,[5] he jumped 3.20 metres and finished behind two Americans Irving Baxter and Meredith Colket,[6] earlier in the day he had competed in the high jump and jumped 1.70 metres to finish tied for fourth place just 5 centimetres behind another bronze medal.

[7] At the 1906 Intercalated Games in Athens, he was a member of the Norwegian gymnastics team, which consisted of 20 gymnasts, and went on to win the gold medal in the team, Swedish system event ahead of Denmark,[8] he also competed in the individual all round five events competition and finished in 23rd position.

[10] Andersen died in his hometown of Oslo in 1951 aged 75.