• Prefects Apostolic of Meru (Roman rite) • Fr.
Giovanni Balbo, I.M.C. (1926 – 1929) • Fr.
Carlo Re, I.M.C. (1930 – 16 Sep 1936), concurrently appointed titular bishop and Vicar Apostolic of Nyeri in 1931 • Fr.
José Nepote-Fus, I.M.C. (16 Sep 1936 – 7 Aug 1948), appointed Apostolic Administrator of Rio Branco, Brazil in 1948; future Bishop • Fr.
Carlo Maria Cavallera, I.M.C. (Apostolic Administrator 1947 – 3 Mar 1954), concurrently appointed Bishop of Nyeri in 1953 •
Bishops of Meru (Roman rite) • Bishop
Lawrence Bessone,
I.M.C. (3 Mar 1954 – 7 Apr 1976) • Bishop
Silas Silvius Njiru (9 Dec 1976 – 18 Mar 2004) • Bishop
Salesius Mugambi (since 18 Mar 2004)
Coadjutor Bishop •
Salesius Mugambi (2001-2004) •
Jackson Murugara I.M.C. (since 16 January 2025)
Auxiliary Bishop •
Silas Silvius Njiru (1975-1976), appointed Bishop here ==Other priests from here named bishops==