A leader is one who influences or leads others.

Leader may also refer to:

• Leader, Colorado, United States
• Leader, Saskatchewan, Canada

• Leader River, New Zealand

• Leader House, a building in Sheffield, England

• Leader (surname)
• Gary Glitter (born 1944), a musician nicknamed "The Leader"
• Oswald Mosley (1896–1980), a British politician known to his followers as "The Leader"

• Leader (1964 film), a Hindi film starring Dilip Kumar
• Leader (2009 film), a Sinhalese film starring Ranjan Ramanayaka
• Leader (2010 film), a Telugu film starring Rana Daggubati
• Leader: Amie Bangladesh, a 2023 Bangladeshi Bengali film featuring Shakib Khan

• The Leader, novel by Guy Walters
• "The Leader" (story), a satirical story by Radoje Domanović

• Leader (orchestra), a position within an orchestra
• Leader Records (UK), a folk music record label
• Leader Records (US), a subsidiary of Kapp Records
• The Leaders, a musical group
• "The Leader", a song by the Clash on the album Sandinista!
• "The Leader", a track by Johan Shevanesh from the 2014 Indian film Aal

• Leader Community Newspapers, a series of 33 local papers in metropolitan Melbourne, Australia
• Regina Leader-Post, formerly the Leader, in Regina, Saskatchewan, Canada
• Liverpool Leader, formerly the Leader, a newspaper published in Liverpool, New South Wales, Australia
• The Leader (Angaston), a weekly newspaper published in the Barossa Valley, South Australia
• The Leader (Corning), a daily newspaper published in Corning, New York, United States
• The Leader (Flower Mound), a community newspaper published in Flower Mound, Texas, United States
• The Leader (Fredonia), a newspaper published by the State University of New York at Fredonia
• The Leader (Houston), a newspaper published in Houston, Texas
• The Leader (Utah), a newspaper published by Pioneer Newspapers in Tremonton, Utah, United States
• The Leader (Welsh newspaper), a daily paper in Wales
• The Leader, a nickname for the New Hampshire Union Leader newspaper in New Hampshire, United States
• The Leader, common name for the St George and Sutherland Shire Leader, in Southern Sydney, Australia
• Limerick Leader, in Limerick, Ireland
• The Leinster Leader, a local newspaper in Co. Kildare, Ireland

• Labour Leader, a British newspaper (1888–1986)
• Lincoln County Leader (1893–1987), a weekly newspaper in Oregon, U.S.
• The Leader (Allahabad newspaper), published 1909–1967
• The Leader (English newspaper), a weekly newspaper (1850–1860) founded by G. H. Lewes
• The Leader (Welsh newspaper), a local daily newspaper in Chester, England, published 1973-2017 (also a still-ongoing website)
• The Leader (Irish newspaper), a defunct Irish newspaper founded in 1900 by D. P. Moran
• The Leader (Melbourne), a weekly newspaper in Melbourne, Australia, companion to The Age, published from 1862 to 1918
• The Leader (Orange, NSW), a defunct Australian newspaper

• Leader (character), a fictional character from Marvel Comics
• Film leader, a length of film that aids in threading a filmstrip
• Leading article, a piece of writing intended to promote an opinion, also called an editorial
• The Leader (web series), a Chinese web series about Karl Marx

• Leader (political party), a minor political party in Israel
• LEADER programme, a European Union initiative for rural development

• Front-runner, or leader
• Leader (dance partner)
• Leader (spark), part of an electrical spark
• Leader (typography), a row of characters (usu. dots or dashes) to connect items across a page (as in a table of contents)
• River Leader, river in Scotland
• Leader, in angling, the section of fishing line between the main line and the hook
• Leader, in architecture, a synonym for downspout
• Leader, in distributed computing, the process selected after a leader election
• Leader, an appliance sub-brand of Haier
• SR Leader class, an experimental British steam locomotive
• In engineering drawing, a leader or leader line is a thin line connecting a label or dimension with the part to which it applies

• Bandleader
• Orchestra leader
• Leadership (disambiguation)
• Leading (disambiguation)
• Lider (disambiguation)
• Loss leader
• Scout leader
• SR Leader class, a class of locomotive
• Team leader
• Category:Positions of authority