Alleine is a surname. Notable people with the surname include:

• Joseph Alleine (1634–1668), English Puritan Nonconformist pastor and author

• Richard Alleine (1611–1681), English Puritan divine

See also

• "Alleine zu zweit" ("Alone Together"), a single by German/Finnish duo Lacrimosa released in 1999

• Alan (disambiguation)

• Alen (given name)

• Allan (disambiguation)

• Allen (disambiguation)