Alphabeta or Alpha Beta may also refer to:

• Alphabeta, an Israeli musical group
• Alpha Beta, a former chain of Californian supermarkets
• The Greek alphabet, from Alpha (Αα) and Beta (Ββ), the first two letters
• Alpha and beta anomers (chemistry)
• Alpha–beta pruning, a type of search algorithm
• Alpha–beta transformation, a mathematical transformation in electrical engineering
• α,β-Unsaturated carbonyl compound, a class of organic compounds
• Alpha beta filter, a predictive filter
• Alpha (finance) and Beta (finance), two measures characterizing the return of an investment portfolio
• The Alpha Betas, a fraternity in the Revenge of the Nerds film series
• Alpha Betas, an animated webseries created by Chris Bruno and David Howard Lee starring Evan Fong
• α/β barrel, a protein fold structure

• Alphabet (disambiguation)