St. Gertrude Old Church Riga
 St. Gertrude Old Church (Latvian: Vecā Svētās Ģertrūdes Evaņģēliski luteriskā baznīca) is a Lutheran church in Riga the capital of Latvia. It is a parish church of the Evangelical Lutheran Church of Latvia. The church is situated at the address 6 Ģertrūdes Street. It has a long association with Riga's German ethnic community and offers worship in the German language.