William R. Cornish

{{short description|Canadian politician}}

{{Use Canadian English|date=January 2023}}

{{Infobox officeholder

| image =

| imagesize = 180px|

| name = William R. Cornish

| caption =

| birth_date ={{Birth date|1890|3|2}}

| death_date = {{death date and age|1969|12|29|1890|3|2}}

| death_place = Alberta, Canada

| birth_place =Kingsbridge, Devon, England, United Kingdom

| residence =

| office = Member of the Legislative Assembly of Alberta

| constituency = Vermilion

| term_start = 1944

| term_end = 1955

| predecessor =William Fallow

| successor = Russell Whitson

| party = Social Credit

| religion =

| occupation =

| spouse =

}}

William Rich Cornish (March 2, 1890 – December 29, 1969) was a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1944 to 1955, sitting with the Social Credit caucus in government.{{Cite web|url=https://books.google.com/books?id=A11LAAAAMAAJ&q=%22CORNISH,+WILLIAM+R.,+%28Vermilion%29.+B.+March+2,+1890,+at+S.+Devon.,***%22|title=Guide Parlementaire Canadien|year=1947}}