Alastair Thain (born 1961) is a German-born photographer. His portraits were published in 1991 as Skin Deep, and many are held in the collection of the National Portrait Gallery, London. With Tom Stoddart, he made work about the Siege of Sarajevo, which was exhibited at the Royal Festival Hall in London and published as a book.
Thain was born in Düsseldorf, Germany and studied at the London College of Printing.
Thain's work is held in the following permanent collection: