Teki Isak Biçoku (6 June 1926 – 21 November 2009) was an Albanian geologist and former member and president of the Academy of Sciences of Albania.

He completed his elementary education in Elbasan(1932–1937), after which he pursued his studies in the Shkolla Normale e Elbasanit.

On December 4, 2008 Biçoku became a Permanent Member of Albanian Academy of Sciences until his death.

From August 1, 1975 till May 14, 1977 was transferred as geophysical engineer near the seismic expedition of Seism-Gravimetric Enterprise of Fier, where he was arrested.

On September 25, 1991 the Plenum and the Penal College of High Court of Albania, declared Acad.