NK Marsonia

{{short description|Croatian football club}}

{{ infobox football club

| clubname = NK Marsonia

| image = NK Marsonia.png

| upright = 0.75

| fullname = Nogometni klub Marsonia 1909 Slavonski Brod

| nickname = Marsa
Crno-Bijeli

| founded = {{start date and age|1909}}

| ground = Gradski Stadion uz Savu

| capacity = 6,000{{cite web |title=Gradski Stadion uz Savu |url=https://int.soccerway.com/venues/croatia/stadion-stanko-vlajni-dida/v5910/ |website=Soccerway |access-date=2 February 2020}}

| chairman =

| manager =

| league = Treća HNL East

| season = 2019–20

| position = Treća HNL East, 1st (Winners)

| pattern_la1 =_whiteborder

| pattern_b1 =_whitestripes

| pattern_ra1 =_whiteborder

| leftarm1 = 000000

| body1 = 000000

| rightarm1 = 000000

| shorts1 = 000000

| socks1 = 000000

| pattern_la2 =_blackborder

| pattern_b2 =_blackstripes

| pattern_ra2 =_blackborder

| leftarm2 = FFFFFF

| body2 = FFFFFF

| rightarm2 = FFFFFF

| shorts2 = FFFFFF

| socks2 = FFFFFF

}}

NK Marsonia is a Croatian football club based in the city of Slavonski Brod. They currently play in the third division Treća HNL.{{Cite web|url=https://au.soccerway.com/national/croatia/3-hnl/20182019/east/r49040/|title=Summary - 3. HNL - Croatia - Results, fixtures, tables and news - Soccerway}}

NK Marsonia was founded in 1909. From 1945 to 1962 the club was called NK Radnički Brod, and then BSK from 1962 to 1992 before the club's original name was restored.

NK Marsonia last played in the top flight 1.HNL in 2004, finishing last and suffering relegation.{{cite web|url=https://www.24sata.hr/sport/u-1-hnl-ih-nema-14-godina-a-sad-najavljuju-povratak-u-elitu-558769|title=U 1. HNL ih nema 14 godina, a sad najavljuju povratak u elitu!|last=Lovrić|first=Dejan|date=31 January 2018}}

On August 1, 2011, NK Marsonia merged with MV Croatia to form NK Marsonia 1909 which will compete in Croatian second division. NK Marsonia will continue functioning as the new club's second team.

Some of Marsonia's notable former players include Mario Mandžukić,{{cite web|url=https://www.vecernji.hr/premium/mario-mandzukic-kako-je-keramicar-iz-slavonskog-broda-osvojio-bayern-atletico-juventus-1012367|title=Mario Mandžukić - kako je keramičar iz Slavonskog Broda osvojio europske nogometne velikane|publisher=Vecernji.hr}} Ivica Olić, Veldin Karić, Boris Živković and Josip Weber.