Kammala jumla mai zuwa: Onan Orlando Thom (an haife shi a ranar 11 ga Afrilu, 1984) shi ne tsohon dan wasan Guyanese, wanda ya ƙware a cikin wasannin tsere. Thom ya cancanci zuwa
maza 100 m freestyle a Wasannin Olympics na 2004 a Athens, ta hanyar karɓar wurin Universality daga FINA, a cikin lokacin shigarwa na 54.14. Ya kalubalanci wasu masu iyo bakwai a zagaye na biyu, gami da dan wasan Olympics sau uku Aleksandr Agafonov na Uzbekistan. Ya sami matsayi na shida a cikin 55.24, fiye da na biyu daga lokacin shigarsa. Thom ya kasa ci gaba zuwa wasan kusa da na karshe, yayin da ya sanya na hamsin da tara a cikin duka masu iyo 71 a cikin wasan farko.