Allan Pease (born 1952 in Australia) is an Australian body language expert and author or co-author of fifteen books.‍ Allan Pease and his wife Barbara have written 18 bestsellers – including 10 number ones – and given seminars in 70 countries. Their books are bestsellers in over 100 countries, are translated into 55 languages and have sold over 27 million copies.They appear regularly in the media worldwide and their work has been the subject of 11 television series, 4 stage plays, a number one box office movie and TV series, which attracted a combined audience of over 100 million.

In 1991, Pease was invited to the Kremlin to host a body language training seminar for up-and-coming politicians including Vladimir Putin, then a 39-year-old former KGB officer, and has spent up to two months each year hosting seminars in Russia since then.