Bold

Bold most commonly refers to: Bold or BOLD may also refer to:
 * Bold (typography), a font style used for emphasis, also known as boldface
 * Boldness, or being bold, a human attitude, the opposite of being shy

Businesses and products

 * Bold (detergent), a brand of laundry detergent
 * BlackBerry Bold, a smartphone

Military

 * HMS Bold (1801), a gun-brig that ran aground and was broken up in 1811
 * HMS Bold (1812), a gun-brig that was wrecked in 1813
 * HMS Manly (1804) or HMS Bold, a ship that was sold in 1814
 * USS Bold (BAT-8) or HMS Bold (W114), a tugboat transferred to the United Kingdom in 1942
 * USS Bold (AMc-67), a minesweeper laid down in 1941
 * USS Bold (AM-424), a minesweeper launched in 1953
 * USNS Bold (T-AGOS-12)
 * Bold (decoy), a German World War II sonar decoy

Places

 * Bold, St Helens, a civil parish in Merseyside, England
 * Bold Cove, Falkland Islands
 * Bold Street, Liverpool
 * Bold Park, an urban bushland area in Perth, Western Australia
 * Bold (river), a tributary of the Buzău in Romania

Television

 * Bold (TV channel), a Canadian television channel
 * 10 Bold, an Australian television channel
 * The Bold and the Beautiful or Bold, a TV soap opera

People

 * List of people known as the Bold
 * Bold (surname), a surname, includes a list of people with the surname
 * Bold (Mongolian name), a given name, includes a list of people with the name
 * Bolad (given name) or Bold, an Inner Asian given name

Music

 * Bold (Angie & Debbie Winans album), a 1997 religious music album
 * Bold (band), an American hardcore punk band
 * Bold (EP), by Mary Lambert, 2017

Science and technology

 * Barcode of Life Data System (BOLD), a DNA sequence database
 * Blood-oxygen-level dependent, a method used in functional magnetic resonance imaging
 * Bureau of Legal Dentistry, a forensic dentistry organization in Vancouver, British Columbia
 * Biological Oxidant and Life Detection (BOLD), a proposed spacecraft

Other uses

 * Bold (book) or Bold: How to Go Big, Create Wealth, and Impact the World, a book by Peter Diamandis
 * Bold (horse), an American Thoroughbred racehorse
 * Black Organization for Leadership Development, a Louisiana political group