Wyo. Stat. Ann. § 34.1-3-301
'Person entitled to enforce' an instrument means (1) the holder of the instrument, (2) a nonholder in possession of the instrument who has the rights of a holder, or (3) a person not in possession of the instrument who is entitled to enforce the instrument pursuant to section 34.1-3-309 or 34.1-3-418(d). A person may be a person entitled to enforce the instrument even though the person is not the owner of the instrument or is in wrongful possession of the instrument.