Sibel Altınkaya (born 1 February 1993) is a Turkish table tennis player.

[4] She competed in the team event of the European Championships in 2019 in Nantes, France and 2021 in Cluj-Napoca, Romania.

She participated at the 2022 WTT Singapore Grand Smash, where she was not able to qualify for the main tour.

[7] At the 2022 Mediterranean Games in Oran, Algeria, she ranked fifth in the singles and seventh in the team event.

[6][5] She married to Ufuk Altınkaya, a table tennis coach since 1998, whom she met at the Turkish Championships in Marmaris in 2014.