Wyo. Stat. § 20-5-401: Definitions.

(a) As used in this article:

(i) "Petitioner" means a person who seeks enforcement of an order for return of a child under the Hague Convention on the Civil Aspects of International Child Abduction or enforcement of a child custody determination;

(ii) "Respondent" means a person against whom a proceeding has been commenced for enforcement of an order for return of a child under the Hague Convention on the Civil Aspects of International Child Abduction or enforcement of a child custody determination.