Stelios Marangos (; born 4 May 1989) is a Greek retired professional association football player who played as a centre-back. He is the current team manager of Super League Greece 2 club Iraklis.
On 4 July 2013, Marangos signed a contract with AEK Larnaca in Cyprus for 1+1 years.
In early January Marangos agreed on a free transfer to Veria which would be activated on 1 July 2015. An action that bothered Kerkyra's manager and the administration board and led him to the exit. On 27 January 2015, Veria announced the signing of Marangos on a free transfer.
On 4 January 2017, Marangos signed a one-and-a-half-year contract with Platanias.
On 13 July 2017 he signed with Greek major club Aris Thessaloniki.