John Patrick O'Brien (February 1, 1873 – September 22, 1951) was an Irish-American politician who served as the 98th Mayor of New York City from January 1 to December 31, 1933.
John Patrick O’Brien (* 1. Februar 1873; † 21. September 1951 in New York City) war ein irisch-amerikanischer Politiker. Zwischen dem 1. Januar und dem 31. Dezember 1933 war er Bürgermeister von New York City. (de)
John P. O'Brien (né le 1er février 1873 et mort le 21 septembre 1951) fut maire de New York du 1er janvier 1933 au 31 décembre 1933. (fr)
John Patrick O'Brien (February 1, 1873 – September 22, 1951) was an Irish-American politician who served as the 98th Mayor of New York City from January 1 to December 31, 1933. (en)
John Patrick O'Brien (Massachusetts, 1º febbraio 1873 – New York, 21 settembre 1951) è stato un politico e avvocato statunitense, 98° sindaco di New York. (it)