Oldcastle GAA

{{Short description|Gaelic games club in County Meath, Ireland}}

{{moresources|date=November 2019}}

{{Use dmy dates|date=November 2019}}

{{Use Irish English|date=November 2019}}

{{Infobox GAA club

| club gaa = Oldcastle

| irish = Sean Chaisleán

| crest =

| county = Meath

| province = Leinster

| colours = Blue & White

| grounds = Millbrook

| founded = 1884

| coordinates =

| pattern_la =

| pattern_b =

| pattern_ra =

| leftarm = 2929E9

| body = 2929E9

| rightarm = 2929E9

| shorts =

| socks = 2929E9

| h3 = 0

| f3 = 0

}}

Oldcastle GAA is a Gaelic Athletic Association club based in the town of Oldcastle, in County Meath, Ireland. The club plays Gaelic Football and competes in Meath GAA competitions. In 1945 and 1998 the team reached the Meath Senior Football Championship final.