Joseph G. Armstrong
 Joseph G. Armstrong (1867–1931) was born in what is today the Northside neighborhood of the U.S. city of Pittsburgh. He became a glassmaker and eventually participated in the glass union and labor movement. From his labor connections he was elected to City Council and then ran successfully for County Coroner in 1904. He was coroner during the Pressed Steel Car Strike of 1909. He died of pneumonia in Pittsburgh on November 19 1931 and is interred in South Side Cemetery Pittsburgh.