Editing List of sculptors (section)

==O==
{{columns-list|colwidth=22em|
*[[Alejandro Obregón]] (1920–1992), Colombia
*[[John O'Carroll]] (born 1958), England
*[[Denis O'Connor (British-Irish sculptor)|Denis O'Connor]] (20th–21st century), Ireland/England
*[[Diarmuid Byron O'Connor]] (born 1964), England
*[[Katie Ohe]] (born 1937), Canada
*[[Landolin Ohmacht]] (1760–1834), Germany
*[[Tankut Öktem]], (1941–2007), Turkey
*[[Claes Oldenburg]] (1929–2022), US
*[[Yoko Ono]] (小野洋子, born 1933), Japan/US
*[[Bruce Onobrakpeya]] (born 1932), Nigeria
*[[Méret Oppenheim]] (1913–1985), Germany/Switzerland
*[[Ezra Orion]] (עזרא אוריון, 1934–2015), Palestine/Israel
*[[Jules Olitski]] (1922–2007), US
*[[Nathan Oliveira]] (1928–2010), US
*[[Sheokjuk Oqutaq]] (1920–1982), Canada
*[[Andrea Orcagna]] (1320–1368), Italy
*[[Chana Orloff]] (חנה אורלוף, 1968–1888) Israel/Ukraine
*[[Boris Orlovsky]] (1793–1837), Russia
*[[Lucy Orta]] (born 1966), England/France
*[[Antonio León Ortega]] (1907–1991), Spain
*[[George Earl Ortman]] (1926–2015), US
*[[Daniel Ost]] (born 1955), Belgium
*[[Karlheinz Oswald]] (born 1958), Germany
*[[Jorge Oteiza]] (1908–2003), Spain
*[[Ülo Õun]] (1940–1988), Estonia
*[[Adrienne Outlaw]] (born 1970), US
*[[Zachary Oxman]] (born 1968), US
}}