Samuel Adams Wiggin (1832–1899) was an American poet.
Samuel Wiggin had followed a military career until Vice President Andrew Johnson became president after the assassination of President Lincoln in 1865. He was Executive Clerk to President Johnson (for 8 years) and (for 3 months) President Grant. Many of his poems were published in various newspapers of the day and were written in Poet's Corner in the White House. His published work has over 200 poems, including a satirical piece against Darwin's Origin of the Species theory. Other subjects include patriotism, the Rebellion (civil war), slavery, religious matters, and various family members.