Tanja Gellenthien (née Jensen; born 21 July 1995)[1] is a Danish archer who competes in women's compound events.

She won the gold medal in the women's individual compound event at the 2021 European Archery Championships in Antalya, Turkey.

[2][3] Gellenthien and Stephan Hansen won the gold medal in the mixed team compound event at the 2022 European Archery Championships held in Munich, Germany.

[6] In 2023, she won the women's championship title in the compound division of The Vegas Shoot, a prominent target competition organized by the National Field Archery Association[7] after finishing second in the same event in 2022.

[8] Gellenthien and Mathias Fullerton won the silver medal in the mixed team compound event at the 2023 European Games held in Poland.