Onan Orlando Thom (akaberekwa musi waApril 11, 1984) muGuyana aimbova mutambi wekushambira, uyo akakurumbira mumakwikwi e freestyle. Thom akakodzera kumakwikwi evarume emamita 100 akasununguka
mumitambo yeOlympic yeZhizha ya2004 muAthens, nekugamuchira nzvimbo yeUniversality kubva kuFINA, munguva yekupinda ye54.14. Akadenha vamwe vanoshambira vanomwe muchikamu chechipiri, kusanganisira mukwikwidzi wemuOlympic katatu Aleksandr Agafonov wokuUzbekistan. Akawana nzvimbo yechitanhatu muna 55.24, kupfuura wechipiri kubva panguva yake yokupinda. Thom akakundikana kuenda kumasemifinal, sezvo akaisa makumi mashanu nemapfumbamwe kubva pavanoshambira makumi manomwe nevaviri mumatanho ekutanga.