Gaetano de Lai

{{Short description|Italian cardinal}}

{{Infobox Christian leader

|type = Cardinal

|image = Gaetano De Lai 1922.jpg

|caption = De Lai pictured in 1922.

|honorific_prefix = His Eminence

|name = Gaetano De Lai

|title = Vice-Dean of the College of Cardinals

|church = Roman Catholic Church

|appointed = 23 March 1919

|term_end = 24 October 1928

|predecessor = Francesco di Paola Cassetta

|successor = Gennaro di Belmonte

|other_post = {{unbulleted list|Secretary of the Consistorial Congregation (1908–28)|Cardinal-Bishop of Sabina e Poggio Mirteto (1911–28)|Superior-General of the Scalabrinians (1924–28)}}

|ordination = 16 April 1876

|ordained_by = Costantino Patrizi Naro

|consecration = 17 December 1911

|consecrated_by = Pope Pius X

|cardinal = 16 December 1907

|created_cardinal_by = Pope Pius X

|rank = Cardinal-Deacon (1907–11)
Cardinal-Bishop (1911–28)

|birth_name = Gaetano De Lai

|birth_date = 26 July 1853

|birth_place = Malo, Vicenza, Kingdom of Lombardy–Venetia

|death_date = {{Death date and age|df=y|1928|10|24|1853|07|26}}

|death_place = Rome, Kingdom of Italy

|buried = Campo Verano (1928–29)
Santuario della Madonna Liberata di Malo

|parents = Antonio De Lai
Maria Silvagni

|previous_post = {{unbulleted list|Secretary for Seminaries of the Congregation of the Council (1903)|Secretary of the Congregation of the Council (1903–07)|Cardinal-Deacon of San Nicola in Carcere (1907–11)|Apostolic Administrator of Poggio Mirteto (1924–25)}}

|alma_mater = Pontifical Roman Athenaeum Saint Apollinare }}

Gaetano de Lai (26 July 1853 – 24 October 1928) was an Italian cardinal of the Roman Catholic Church. He was part of the Roman Curia. He was an outspoken defender of the French monarchist Action française.{{cite book|last=Weber|first=Eugene|title=Action française: royalism and reaction in twentieth century France|year=1962|publisher=Stanford University Press|location=Stanford, California|pages=35|url=https://books.google.com/books?id=y4CaAAAAIAAJ&q=cardinal+action+francaise&pg=PA245|isbn=9780804701341}}