Kuld is an Estonian surname meaning "gold".

As of 1 January 2023, 106 men and 121 women have the surname Kuld in Estonia.

Kuld ranks 763rd for men and 713th for women in the distribution of surnames in Estonia.

[1] The surname Kuld is the most commonly found in Valga County, where 7.88 per 10,000 inhabitants of the county bear the surname.

[1] Individuals bearing the surname Kuld include: