Bill, Willie or William Logan may refer to:
Politicians and activists William Logan (politician) (1776–1822), U.S. Senator from Kentucky William Logan (temperance campaigner) (1813–1879), Scottish missionary and temperance activist William F. Logan (fl. 1860s), U.S. mayor, see List of mayors of Williamsport, Pennsylvania William Turner Logan (1874–1941), U.S. Representative from South Carolina William Logan Martin (1883–1959), U.S. Judge in Alabama and Attorney General Bill Logan (spartacist) (fl. 1970s), New Zealand Spartacist and member of the International Communist League William J. Logan (Orangeman) (fl. 1990s), Northern Irish Sovereign Grand Master of the Royal Black Preceptory Willie Logan (born 1957), American politician from Florida William Logan (Indian agent), U.S. Indian agent in Oregon and appointed superintendent of The Dalles Mint for the United States Bill Logan (activist) (born 1948), New Zealand political activist
Artists and writers William Logan (author) (1841–1914), Scottish author of Malabar Manual William Logan (poet) (born 1950), U.S. poet and critic
Sportspersons William Logan (cricketer) (fl. 1880s), Australian cricketer William Logan (footballer), Scottish footballer William Francis Logan (Bill Logan, born 1905), American soccer, basketball and Lacrosse coach of Princeton Tigers men's basketball William Logan (speed skater) (1907–1955), Canadian Olympic speed skater William Logan (cyclist) (1914–2002), American cyclist Bill Logan (basketball) (1934–2018), 1950s American basketball player, member of Iowa Hawkeyes' Fabulous Five
Other Willie Logan (Loganair) (1913–1966), Scottish construction contractor, founder of Loganair William Edmond Logan (1798–1875), Canadian geologist