Govhar Beydullayeva (Azerbaijani: Gövhər Bəydullayeva; born 23 April 2003) is an Azerbaijani chess Grandmaster (WGM 2022). She is the 2022 World Girls U-20 Champion as well as the World Girl's U18 Champion in 2021.

Govhar Beydullayeva repeatedly represented Azerbaijan at the European Youth Chess Championships and World Youth Chess Championships in different age groups, where she won three medals: gold medal (in 2017, at the European Youth Chess Championship in the U14 girls age group) and two silver medals (in 2014, at the European Youth Chess Championship in the U12 girls age group, and in 2015, at the European Youth Chess Championship in the U12 girls age group).

In 2013, Govhar Beydullayeva won European Youth Rapid Chess Championship in the U10 girls age group.

In August 2018, she ranked 4th in the European Youth Chess Championship in the U16 girls age group.

In 2021, she won the World Cup among girls under 18. In the same year she won Girls U18 Fide World Youth Super Final.

In April 2022, she won the gold medal for the woman with the best result at the 2022 European Individual Chess Championship.

In October 2022, she won Girls World Junior Chess Championship in Sardegna, Italia.

In 2023, Beydullayeva won 1st edition of World Junior Rapid Chess Championship. She took bronze medal in World Junior Blitz Chess Championship.