Joseph Cotter

Joseph Cotter may refer to:
 * Joseph Henry Cotter (1872–1937), Canadian politician
 * Joseph Bernard Cotter (1844–1909), American Roman Catholic bishop
 * Joseph Seamon Cotter Jr. (1895–1919), American playwright, author and poet
 * Joseph Seamon Cotter Sr. (1861–1949), American poet, writer, playwright, and community leader
 * Joe Cotter (1877–1944), British trade union leader