Weird History

The Most Important Leaders in U.S. History

List Rules
American leaders only. Note: "Most important" or "most influential" does not equal "best."

List of the most important leaders in U.S. history. Love 'em or hate 'em, these leaders shaped American history from its founding through today. Men and women who have truly defined America through their work and leadership, even if it did not mean serving political office, are ranked here on this master list of leaders. Pioneers who changed the landscape, from the Civil Rights Movement, to Women's Suffrage, to the atom bomb, appear on this list of American leaders who changed the world.

The most important American presidents are ranked here, like Harry S. Truman and George Washington to name a few, along with First Ladies like Eleanor Roosevelt. Industry leaders like Andrew Carnegie and John D. Rockefeller cannot be overlooked, nor can leaders who were not in the U.S. government itself, such as Martin Luther King, Jr. and Susan B. Anthony.

Leadership takes many forms throughout American history, and famous American leaders pervade all of history, but this list gives props to those who were the most influential. Vote up the most important U.S. leaders below, or if the United States is too small for you, make sure to peruse this list of The Most Important Leaders in World History.
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list ordered by
  • George Washington was the first President of the United States, the Commander-in-Chief of the Continental Army, and one of the Founding Fathers of the United States. He presided over the convention ...more
  • Abraham Lincoln (February 12, 1809 – April 15, 1865) was an American statesman and lawyer who served as the 16th president of the United States from 1861 until his assassination in April 1865. ...more
  • Benjamin Franklin (January 17, 1706 [O.S. January 6, 1705] – April 17, 1790) was an American polymath and one of the Founding Fathers of the United States. Franklin was a leading author, printer, ...more
  • Thomas Jefferson was an American Founding Father, the principal author of the Declaration of Independence, and the third President of the United States. He was a spokesman for democracy, and embraced ...more
  • Theodore Roosevelt Jr. ( ROH-zə-velt; October 27, 1858 – January 6, 1919) was an American statesman, politician, conservationist, naturalist, and writer who served as the 26th president of the ...more
  • Alexander Hamilton (January 11, 1755 or 1757 – July 12, 1804) was an American statesman, politician, legal scholar, military commander, lawyer, banker and economist. He was one of the Founding ...more
  • John Adams Jr. (October 30, 1735 – July 4, 1826) was an American statesman, attorney, diplomat, writer, and Founding Father who served as the second president of the United States from 1797 to 1801. ...more
  • Martin Luther King Jr. (January 15, 1929 – April 4, 1968) was an American Baptist minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1955 ...more
  • Franklin Delano Roosevelt (, ; January 30, 1882 – April 12, 1945), often referred to by initials FDR, was an American statesman and political leader who served as the 32nd president of the United ...more
  • Dwight David "Ike" Eisenhower ( EYE-zən-how-ər; October 14, 1890 – March 28, 1969) was an American army general and statesman who served as the 34th president of the United States from 1953 to 1961. ...more
  •  (November 11, 1885 – December 21, 1945)
    George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a General of the United States Army who commanded the U.S. Seventh Army in the Mediterranean theater of World War II, and the U.S. ...more
  • Jonas Edward Salk (; October 28, 1914 – June 23, 1995) was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines. Born in New York ...more
  • Nikola Tesla was a Serbian American inventor, electrical engineer, mechanical engineer, physicist, and futurist best known for his contributions to the design of the modern alternating current ...more
  • The Wright brothers, Orville and Wilbur, were two American brothers, inventors, and aviation pioneers who are credited with inventing and building the world's first successful airplane and making the ...more
  • Frederick Douglass (born Frederick Augustus Washington Bailey; c. February 1818 – February 20, 1895) was an American social reformer, abolitionist, orator, writer, and statesman. After escaping from ...more
  • James Madison Jr. (March 16, 1751 – June 28, 1836) was an American statesman, lawyer, diplomat, philosopher, and Founding Father who served as the fourth president of the United States from 1809 to ...more
  • Alexander Graham Bell ('Graham' pronounced ) (March 3, 1847 – August 2, 1922) was a Scottish-born American inventor, scientist, and engineer who is credited with inventing and patenting the first ...more
  • Samuel Adams (September 27 [O.S. September 16] 1722 – October 2, 1803) was an American statesman, political philosopher, and one of the Founding Fathers of the United States. He was a politician in ...more
  • Ulysses S. Grant (born Hiram Ulysses Grant; April 27, 1822 – July 23, 1885) was an American soldier, politician, and international statesman who served as the 18th president of the United States from ...more
  • John Hancock (January 23, 1737 [O.S. January 12, 1736] – October 8, 1793) was an American merchant, statesman, and prominent Patriot of the American Revolution. He served as president of the Second ...more
  • Ronald Wilson Reagan (; February 6, 1911 – June 5, 2004) was an American politician who served as the 40th president of the United States from 1981 to 1989. Prior to his presidency, he was a ...more
  • John Fitzgerald Kennedy (May 29, 1917 – November 22, 1963), often referred to by initials JFK and Jack, was an American politician who served as the 35th president of the United States from January ...more
  • Sitting Bull (Lakota: Tȟatȟáŋka Íyotake [tˣaˈtˣə̃ka ˈi.jɔtakɛ] in Standard Lakota orthography, also nicknamed Húŋkešni [ˈhʊ̃kɛʃni] or "Slow") was a Hunkpapa Lakota leader who led his people during ...more
  • Harriet Tubman (born Araminta Ross, c. March 1822 – March 10, 1913) was an American abolitionist and political activist. Born into slavery, Tubman escaped and subsequently made some thirteen missions ...more
  • Jack Roosevelt Robinson (January 31, 1919 – October 24, 1972) was an American professional baseball player who became the first African American to play in Major League Baseball (MLB) in the modern ...more