Competitor Profiles - O
Athletes, who took part in international championships
- Dale O'BRIEN - (1981 - 1992) / CAN
- Darryl O'BRIEN - (1981 - 1992) / CAN
- Fintan O'BRIEN - (1986 - 1987) / IRL
- Georgia O'CALLAGHAN - (2023 - ) / AUS
- Paul O'CONNEL - (1998) / NZL
- Natasha O'CONNELL - (2015) / CAN
- Sheamus O'CONNELL - (2016 - 2017) / CAN
- Kaydi O'CONNER STRATTON - (2014 - 2016) / NZL
- Gerry O'CONNOR - (1983) / IRL
- Cole O'CONNOR-STRATTON - (2012) / NZL
- Michael O'DONELL - (1975) / NZL
- Ross O'DONOQHUE - (1998) / RSA
- Caoimhe O'FERRALL - (2015 - 2019) / IRL
- Tadhg O'FERRALL - (2014 - 2017) / IRL
- Stephen O'FLAHERTY - (1990 - 1996) / IRL
- Rian O'HARE - (2025 - ) / IRL
- Michele O'HERLIHY - (2016) / IRL
- Adrian O'MALEY - (1998) / GBR
- Adam O'NEIL - (2025 - ) / IRL
- Keith O'TOOLE - (1992 - 1995) / IRL
- Luka OBADIC - (2011 - 2014) / CRO
- Helmut OBLINGER - (1990 - 2015) / AUT
- Milo OBLINGER - (2024 - ) / SUI AUT
- Violetta OBLINGER-PETERS - (1995 - 2016) / GER AUT
- Maxim OBRAZTSOV - (2004 - 2017) / RUS
- Aidan OBRIST - (1992) / FRA
- Martin OBZINA - (1992) / TCH
- Yegor OCHAKOVSKIKH - (2016 - 2018) / KAZ
- Manuel OCHOA - (2016 - ) / ESP
- Olivier OCTOBRE - (1994) / FRA
- Veronica OCZKOWSKI - (2013) / CAN
- Elsa ODERHOLZ - (1949 - 1953) / SUI
- Manola ODORICO - (2004 - 2006) / ITA
- Maite ODRIOZOLA - (2021 - ) / ESP
- Camilla OEHRSTROEM - (2004 - 2006) / SWE
- Carden OETTING - (2024 - ) / USA
- A. OGAWA - (1994) / JPN
- Rebecca OGILVIE - (2015) / GBR
- Sophie OGILVIE - (2014 - 2023) / GBR
- Anton OGORELCHEV - (2000) / RUS
- Takashi OGURA - (2012 - 2016) / JPN
- Yeachan OH - (2013 - 2016) / KOR
- Itsuo OHASHI - (1977) / JPN
- Junichi OHATA - (2006) / JPN
- Reneo OHLER - (2016) / CAN
- Birgit OHMAYER - (2012 - 2017) / GER
- Yukio OIDA - (1977 - 1980) / JPN
- Shoken OKADA - (1972) / JPN
- Haruka OKAZAKI - (2013 - ) / JPN
- Maciej OKREGLAK - (2009 - 2018) / POL
- Csaba OLAH - (1984) / HUN
- Konstantin OLAH - (1984) / HUN
- Matteo-Alexander OLAR - (2020 - 2023) / ROU
- Erika OLASZ - (2003 - 2005) / HUN
- Juan Jose OLAZABAL - (1979 - 1983) / ESP
- Klara OLAZABAL - (2013 - ) / ESP
- Telmo OLAZABAL - (2011 - 2018) / ESP
- Kunegunda OLCHAVA - (1976) / POL
- Marek OLCHAWA - (1996 - 1998) / POL
- Pawel OLCHAWA - (2004) / POL
- Marian OLEJNIK - (1993 - 2007) / SVK
- Alex Ian OLGUIN HENRIQUEZ - (1994 - 2014) / CHI
- Piers OLIPHANT - (2016) / GBR
- Fabrice OLIVE - (1986) / FRA
- Anderson OLIVEIRA - (2011 - 2017) / BRA
- Antonio OLIVEIRA - (1991) / POR
- Gerson OLIVEIRA - (2026 - ) / BRA
- Willian OLIVIEREA - (2016) / BRA
- Jessica OLOFSSON - (2006) / SWE
- Johnny OLOFSSON - (2000 - 2001) / SWE
- Jean OLRY - (1957 - 1965) / FRA
- Jean-Claude OLRY - (1969 - 1972) / FRA
- Jean-Louis OLRY - (1963 - 1972) / FRA
- Michele OLRY - (1965) / FRA
- Beatrice OLSON - (2021 - ) / CAN
- Mats OLSSON - (1979) / SWE
- Ansgar OLTMANNS - (2010) / GER
- Jakub OLZOWSKI - (2012) / POL
- Barbora ONDRACKOVA - (2025 - ) / CZE
- Lenka ONDRUSKOVA - (1997 - 1999) / SVK
- Jun Yi ONG - (2018 - ) / SGP
- Jakkrit ONG-ARD - (2008 - 2010) / THA
- Nantipat ONGCHIT - (2024 - ) / THA
- Jackie ONGENA - (1989) / CAN
- Mine ONOZAWA - (2023 - ) / JPN
- Martins ONSKULIS - (2003 - 2004) / LAT
- Juraj ONTKO - (1981 - 1998) / TCH SVK
- Juraj ONTKO - (2005 - 2006) / SVK
- Tomas ONTKO - (2005 - 2006) / SVK
- Katarina ONTKOVA - (2011) / SVK
- Ulrich OPELT - (1967 - 1971) / GDR
- Asier ORDONEZ - (1998 - 2002) / ESP
- Xavier OREGUI - (1980 - 1983) / ESP
- Ivan OREKHOV - (2019) / RUS
- Zdenek ORNST - (2013 - 2014) / CZE
- Eva ORNSTOVA - (2005 - 2015) / CZE
- Viktoria OROKOCKA - (2010 - 2017) / SVK
- Radoslav OROKOCKY - (1996 - 2004) / SVK
- Robert OROKOCKY - (1993) / SVK
- Brandon ORPWOOD - (2013 - 2015) / RSA
- Jarno ORUJOE - (1992) / EST
- Radoslav OSADSKY - (2008 - 2011) / SVK
- Takayasu OSAKU - (1994 - 1999) / JPN
- Asai OSAMI - (1975) / JPN
- Aaron OSBORNE - (2004 - 2012) / NZL
- Rowan OSBORNE - (1967 - 1972) / USA GBR
- Vince OSBORNE - (1991 - 1999) / CAN
- Antonia OSCHMAUTZ - (2016 - 2021) / AUT
- Felix OSCHMAUTZ - (2014 - ) / AUT
- Vadim OSIPOV - (2016) / UKR
- Sofiia OSPIPOVA - (2023) / UKR
- Anastasiia OSTAPETS - (2016 - 2023) / UKR
- Vid OSTRBENK - (2018 - 2019) / SLO
- Pavel OSTROVSKY - (1995 - 1996) / SVK
- Sandor OSZETSKY - (1971) / HUN
- Aguinaga Jone OTANO - (2000) / ESP
- Jone OTANO - (1999 - 2011) / ESP
- Nahia OTEIZA - (2022) / FRA
- Mario OTERO - (2021) / ESP
- Julian OTHENIN-GIRARD - (2013) / FRA
- Joris OTTEN - (2014 - ) / NED
- Maartje OTTEN - (2012 - 2023) / NED
- Karl Heinz OTTO - (1951 - 1957) / FRG
- Yang-Ju OU - (2005) / TPE
- Karim OUAZAA - (2005) / TUN
- Karmin OUAZAA - (2003 - 2006) / TUN
- Sam OUD - (1995 - 2023) / NED
- Wieke OUDHUIS - (2002) / NED
- Jacques OUDIN - (1976) / FRA
- Pol OULHEN - (2014 - 2019) / FRA
- Vlastimil OUREDNICK - (1972 - 1975) / TCH
- Gair OUTHWAITE - (1986) / GBR
- Ziga OVCAK - (2000 - 2005) / SLO
- Dusan OVCARIK - (1994 - 2004) / SVK
- Janka OVCARIKOVA - (1997 - 2000) / SVK
- Aleksandr OVCHINIKOV - (2011 - 2017) / RUS
- Alexej OVCHINNIKOV - (1996 - 1997) / RUS
- Blaz OVEN - (2004 - 2011) / SLO
- Hannah OWEN - (2017 - 2019) / GBR
- Lennart OWEN - (1980 - 1983) / SWE
- Robert OWEN - (1980 - 1983) / GBR
- Emrah OZESEN - (2003 - 2005) / TUR
- Krishss OZOLS - (2003 - 2019) / LAT
- Gamze OZTURK - (2014) / TUR