Grzegorz Seweryn Kaliciak (born 23 March 1973[1]) is a Colonel of Polish Armed Forces.

[4] He attended Zespół Szkół Rolniczych in Prudnik[5] and Tadeusz Kościuszko Land Forces Military Academy in Wrocław.

He started his military service in 4 Battalion Rozpoznawczy in Wędrzyn.

He was a commander of Polish forces during the defense of City Hall in Karbala.

[6][7] He also served in Task Force White Eagle in Afghanistan.