Police have charged a third person with the murder of a man shot dead in Geelong in October.

A 26-year-old man was fatally shot at a house in the Geelong suburb of Corio on October 24.

Four days later two Geelong men, Matthew Grotheer, 29, and Jayden Bishop, 21, were arrested and charged with murder.

Homicide Squad detectives have since charged a third man.

David Puglia, 30, from the Geelong suburb of Newtown appeared before an out of sessions hearing on Sunday.

He is charged with one count of murder and has been remanded in custody to appear in the Geelong Magistrates Court on Monday.