Lennox (character), a fictional character, the "Thane of Lennox" in Macbeth

Linux, the open source Unix-like operating system kernel

Charlotte Lennox (c. 1730-1804)

Annie Lennox, a popular music artist from Scotland

Lennox Lewis, Olympic and World Champion boxer

Lennox Robinson

Lennox-Gastaut syndrome (LGS), also known as Lennox syndrome, a difficult to treat form of childhood-onset epilepsy

Zion y Lennox

Lennox, California, United States

Lennox Yearwood

William G. Lennox, neurologist

Any person who has held the title of Earl of Lennox

Any person who has held the title of Mormaer of Lennox

Dave Lennox, inventor of the riveted steel furnace and founder of Lennox International

David Lennox, a stonemason and bridge-builder, known for his stone bridges in colonial New South Wales

Any person who has held the title of Duke of Lennox

Lady Sarah Lennox

Lennox, South Dakota, United States

Lady Caroline Lennox

Lennox International, a global manufacturer of furnaces and central air conditioners.

Sir Lennox Berkeley

Betty Lennox

Lennox Sebe

Picton, Lennox and Nueva, three uninhabited islands in Chile ("Picton" comes from the Picts, the ancient people of Scotland)

Wilbraham Oates Lennox

Lennox County, Ontario, Canada

Louisa Lennox

Lennox Gardens, Canberra, Australia

Lennox and Addington, an electoral district in Ontario, Canada

E. J. Lennox (1844-1933) was a Toronto based architect

Lennox Stakes, a horse race

Lennox Miller

Lennox Mohammed

Lennox Sharpe

Lennox (district), an historic mormaerdom, earldom and then dukedom, in Stirling, Scotland