Ed, Edd n Eddy, a children's cartoon

Electronic and electrical engineering, an engineering discipline

ASUS Eee PC, a portable computer

Electronic Entertainment Expo, an annual convention for the computer and video games industry, also known as E³

EEE sometimes also designates a width or girth in shoe size

Embrace, extend, and extinguish, a term referring to Microsoft's business tactics

Every Extend Extra, a video game

Eastern equine encephalitis virus, also known as "Triple E"

Esprit Energy Trust, a Canadian oil and gas exploration company with stock symbol EEE

EEE, a psychedelic drug