HOL

HOL may stand for any of the following:

• The student reengagement program, Hands On Learning implemented by Hands On Learning Australia
• Head-of-line blocking
• Hellas On-Line, a Greek Internet service provider
• Higher-order logic, a branch of symbolic logic in which statements can be quantified over objects, predicates, and similar features
• HOL theorem prover
• House of Lords, the upper house of the UK parliament
• HOL, the former International Olympic Committee country code for the Netherlands
• House of Leaves, novel by Mark Z. Danielewski

See also

• Hol, a municipality in the county of Buskerud, Norway
• Hol (role-playing game)
• tlhIngan Hol, the klingon language