Wyo. Stat. § 31-10-101
No policy insuring against loss resulting from liability imposed by law for bodily injury or death suffered by any natural person arising out of the ownership, maintenance or use of a motor vehicle shall be delivered or issued for delivery in this state with respect to any motor vehicle registered or principally garaged in this state unless coverage is provided therein or supplemental thereto, in limits for bodily injury or death as provided by W.S. 31-9-102(a)(xi), under provisions approved by the insurance commissioner for the protection of persons insured thereunder or legally entitled to recover damages from owners or operators of uninsured motor vehicles because of bodily injury, sickness or disease, including death resulting therefrom. The named insured may reject the coverage. Unless the named insured requests the coverage in writing, the coverage need not be provided in or supplemental to a renewal policy where the named insured had rejected the coverage in connection with the policy previously issued to him by the same insurer.
W.S. 31-10-101