The Catholic Church of St Osmund, Barnes is a Roman Catholic church in Castelnau, Barnes, London SW13.

Its parish priest is Reverend Monsignor Canon James Cronin.

[1] Mass is held every morning and also on Saturday and Sunday evenings.

[3] A mother and toddler group meets every Thursday morning during term time.

[4] The church has an affiliated primary school – St Osmund's Catholic Primary School – nearby at Church Road, Barnes.