Peter Ala Adjetey (11 August 1931 – 15 July 2008) was a Ghanaian politician and lawyer.
Adjetey previously served as Member of Parliament for Kpeshie from 1979 to 1981 in the Third Republic and as president of the Ghana Bar Association from 1985 to 1989.
Peter Ala Adjetey was born on 11 August 1931 at La, a suburb of Accra.
Adjetey proceeded to the United Kingdom, where he graduated with a bachelor's degree in law from University of Nottingham in 1958.
He also served on numerous boards at various times including membership of the Judicial Council of Ghana from 1984 to 1989.