Silas Silvius Njiru (10 October 1928 - 28 April 2020) was a Kenyan Roman Catholic bishop.
Njiru was born in Kenya and was ordained to the priesthood in 1955. He served as titular bishop of Maturba and auxiliary bishop of the Diocese of Meru, Kenya, in 1975 and 1976. Njiru then served as bishop of the Meru Diocese from 1976 to 2004.[1]
Njiru died on 28 April 2020, in Rivoli, Piedmont, Italy, from COVID-19 during the COVID-19 pandemic in Italy.[2]