St Barnabas' Church is in Smithdown Place, Mossley Hill, Liverpool, Merseyside, England. It stands at the junction of Allerton Road, Smithdown Road, and Penny Lane. It is an active Anglican parish church in the deanery of Liverpool South Childwall, the archdeaconry of Liverpool, and the diocese of Liverpool. The church is recorded in the National Heritage List for England as a designated Grade II listed building.