RK Sisak

{{notability|org|date=November 2016}}

{{Infobox rugby team

| teamname = RK Sisak

| image =

| imagesize =

| fullname = Ragbi klub Sisak

| nickname =

| shortname = RK Sisak

| countryflag =

| countryflagvar =

| founded = 15 February 1970 (as RK Student)

| region = Sisak, Croatia

| ground = Stadion Metalac

| capacity =

| chairman =

| ceo =

| president = {{flagicon|CRO}} Dubravko Pešut

| coach = {{flagicon|CRO}} Mirsad Žerić

| captain =

| caps =

| league = Croatian Rugby Championship

| season =

| position =

| pattern_la1 =

| pattern_b1 =

| pattern_ra1 =

| pattern_so1 =

| pattern_sh1 =

| leftarm1 = 003

| body1 = 003

| rightarm1 = 003

| shorts1 = 000

| socks1 = 6CF

| pattern_la2 =

| pattern_b2 =

| pattern_ra2 =

| pattern_so2 =

| pattern_sh2 =

| leftarm2 =

| body2 =

| rightarm2 =

| shorts2 =

| socks2 =

}}

RK Sisak is a Croatian rugby club in Sisak.