Željko Mrvaljević

{{short description|Montenegrin footballer}}

{{Infobox football biography

| name = Željko Mrvaljević

| birth_date = {{Birth date and age|df=y|1981|4|08}}

| birth_place = Bar, SFR Yugoslavia

| height = {{height|m=1.88}}

| position = Defender

| currentclub =

| clubnumber =

| youthyears1 =

| youthclubs1 = Mornar

| years1 = 1997–2001

| years2 = 2001

| years3 = 2002

| years4 = 2002–2003

| years5 = 2003

| years6 = 2003–2004

| years7 = 2004

| years8 = 2004–2005

| years9 = 2005–2007

| years10 = 2007

| years11= 2008–2009

| years12= 2009–2010

| years13= 2012–2014

| years14= 2014–2015

| clubs1 = Budućnost Podgorica

| clubs2 = Beograd

| clubs3 = Bokelj

| clubs4 = Widzew Łódź

| clubs5 = Kujawiak Włocławek

| clubs6 = Mogren

| clubs7 = Mornar

| clubs8 = Kujawiak Włocławek

| clubs9 = Zawisza Bydgoszcz (2)

| clubs10= Unia Janikowo

| clubs11= Petrovac

| clubs12= Vllaznia Shkodër

| clubs13= Petrovac

| clubs14= Mornar

| caps1 = 21 | goals1 = 1

| caps2 = 9 | goals2 = 1

| caps3 = 8 | goals3 = 0

| caps4 = 1 | goals4 = 0

| caps5 = 9 | goals5 = 0

| caps6 = 4 | goals6 = 0

| caps7 = 5 | goals7 = 0

| caps8 = | goals8 =

| caps9 = 33 | goals9 = 2

| caps10= 24 | goals10= 2

| caps11= 27 | goals11= 2

| caps12= 22 | goals12= 2

| caps13= 38 | goals13= 2

| caps14= 25 | goals14= 0

| nationalyears1 =

| nationalteam1 =

| nationalcaps1 =

| nationalgoals1 =

| manageryears1 = 2019 | managerclubs1 = Petrovac

| pcupdate =

| ntupdate =

}}

Željko Mrvaljević (Cyrillic: Жељко Мрваљевић; born 25 June 1979) is a Montenegrin former professional footballer who played as a defender.