Suggestions by @rubywallace25

Olivia Williams

as Her in Actors & Actresses Whose Name Begin With O

Olivia Newton-John

as Her in Actors & Actresses Whose Name Begin With O

Olivia Grant

as Her in Actors & Actresses Whose Name Begin With O

Olivia Grace Applegate

as Her in Actors & Actresses Whose Name Begin With O

Oksana Akinshina

as Her in Actors & Actresses Whose Name Begin With O

Odeya Rush

as Her in Actors & Actresses Whose Name Begin With O

Odessa Young

as Her in Actors & Actresses Whose Name Begin With O

Odessa Rae

as Her in Actors & Actresses Whose Name Begin With O

Octavia Spencer

as Her in Actors & Actresses Whose Name Begin With O

Oona Chaplin

as Rosie Good in The Good Life (Reboot)

Odette Annable

as Her in Actors & Actresses Whose Name Begin With O

Olivia Thirlby

as Her in Actors & Actresses Whose Name Begin With O

Ophelia Lovibond

as Her in Actors & Actresses Whose Name Begin With O

Olivia Munn

as Her in Actors & Actresses Whose Name Begin With O

Oona Chaplin

as Her in Actors & Actresses Whose Name Begin With O

Olivia Holt

as Her in Actors & Actresses Whose Name Begin With O

Olga Kurylenko

as Her in Actors & Actresses Whose Name Begin With O

Olivia Colman

as Her in Actors & Actresses Whose Name Begin With O

Olivia Wilde

as Her in Actors & Actresses Whose Name Begin With O

Orla Brady

as Her in Actors & Actresses Whose Name Begin With O