Jabarkan Komandan dari Batalyon Infanteri 521

Kapten Inf GM. Suparmin (1954-1955) ⭐️

Mayor Inf Imam Winoto Koesoemo (1958-1960)

Mayor Inf Gandi Oetomo (1960-1961)

Mayor Inf Sri Taman (1962-1963)

Mayor Inf Zen Tojib (1963-1965) ⭐

Mayor Inf Victor Phaing (1973-1975) ⭐

Mayor Inf Achdari (1977-1978) ⭐⭐

Mayor Inf Abd. Aziz (1978-1980)

Letkol Inf K. Situmorang (1980-1982)

Mayor Inf Hariyono Danoe (1982-1983)

Letkol Inf Binsar Aruan (1984-1986)

Mayor Inf Ukon Durachman (1986-1988)

Mayor Inf R. Gumilar (1988-1989)

Mayor Inf Mulyono (1989-1992) ⭐

Mayor Inf Suhartono (1992) ⭐

Mayor Inf Edy Sarwo (1992-1994)

Mayor Inf S. Yuswandhono (1994-1995) ⭐⭐

Letkol Inf Endang Nirwan (1995-1996)

Letkol Inf M. Mashuri (1996-1997) ⭐

Letkol Inf Nargo Sismiyarno (1997)

Letkol Inf Drs. Putut Winarno (1997-1998) ⭐

Mayor Inf Ahmad Susetyo, S.H. (1999-2000)

Letkol Inf Suratin Budi Wahyono (2000-2002)

Letkol Inf Ucu Subagja (2002-2004)

Mayor Inf Dr. Kup Yanto Setiono, M.A. (2004) ⭐⭐

Letkol Inf Tugas Wignyu Kusbianto (2004-2005)

Letkol Inf FX. Giyono (2005-2007)

Letkol Inf Sunaryo, S.Sos. (2010-2012)⭐

Letkol Inf H.D. Arifin Simanjuntak (2012-2013)

Letkol Inf Imam Purnomo Hadi, S.Ip. (2013-2014)

Letkol Inf Slamet Winarto, S.E. (2014-2016)

Letkol Inf Made Sandy Agusto (2016-2018)

Letkol Inf Andi Andrianto Wibowo, S.Sos., M.I.Pol. (2018-2020)

Letkol Inf Bayu Anjas Asmoro, S.E. (2020-2022)

Mayor Inf Yudha Sancoyo (2022-Sekarang)