Diarmuid Costello

{{short description|British philosopher}}

{{Use dmy dates|date=April 2022}}

{{Infobox philosopher

|region = Western philosophy

|era = 21st-century philosophy

|color =

|image =

|name = Diarmuid Costello

|birth_date =

|birth_place =

|death_date =

|death_place =

|school_tradition = Continental

| institutions = University of Warwick

|main_interests = philosophy of art

| thesis_title = Aesthetics after modernism

| thesis_url = https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395872

| thesis_year = 2002

| doctoral_advisor =

| doctoral_students =

|notable_ideas =

| spouse =

| education = University of Essex (PhD)

| alma_mater =

|influences = Kant

|influenced =

|awards =

|website =

}}

Diarmuid Costello is a British philosopher and Professor of Philosophy at the University of Warwick. He is known for his works on aesthetics and the philosophy of art.{{cite web |title=Diarmuid Costello |url=https://scholar.google.co.uk/citations?user=C8woIIIAAAAJ&hl=en |website=Google Scholar Citations}}

Costello chaired the British Society of Aesthetics executive committee and was a Leverhulme Senior Research Fellow.{{cite web |title=Diarmuid Costello |url=http://heymancenter.org/people/diarmuid-costello/ |website=The Heyman Center for the Humanities at Columbia University}}