J. G. Blackman

{{short description|West Indian cricket umpire}}

{{Use dmy dates|date=April 2024}}

{{Infobox cricketer

| name = J. G. Blackman

| image =

| country = West Indies

| fullname =

| birth_date =

| birth_place =

| death_date =

| death_place =

| batting =

| role =

| umpire = true

| testsumpired = 1

| umptestdebutyr = 1935

| umptestlastyr =

| odisumpired =

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| umpodilastyr =

| twenty20sumpired =

| umptwenty20debutyr =

| umptwenty20lastyr =

| date = 1 July 2013

| source = http://www.espncricinfo.com/westindies/content/player/51426.html Cricinfo

}}

J. G. Blackman was a West Indian cricket umpire. He stood in one Test match, West Indies vs. England, in 1935.{{Cite web|url=http://www.espncricinfo.com/westindies/content/player/51426.html |title= J. G. Blackman |accessdate=2013-07-01 |publisher=ESPNcricinfo}}