I am divorced from my first husband, married for the second time and I have a different last name...?

Parental consent required.

A natural person who has reached the age of sixteen has the right to change his surname and (or) his first name, and (or) his patronymic at his own discretion.

A natural person who has reached fourteen years of age has the right to change his surname and (or) his first name, and (or) his patronymic with the consent of his parents.

A natural person who has reached the age of fourteen has the right to change his surname and (or) his own name, and (or) his patronymic with the consent of one of his parents, if the other parent is deceased, recognized as missing, declared deceased , recognized as having limited legal capacity, incapable, deprived of parental rights in relation to this child, or if information about the child's father (mother) is excluded from the birth certificate, or if information about the husband as the child's father is included in the birth certificate at the request of the mother.

The above is stated in Article 295 of the Civil Code of Ukraine.