Achilleas Grammatikopoulos (Greek: Αχιλλέας Γραμματικόπουλος) (28 September 1908 – 30 December 2008) was a Greek association football player. He was considered one of the most prolific goalkeepers in the Greek league during the late 1920s and the early 1930s. Grammatikopoulos saw action in World War II. After his playing career was over, he stayed on in football as a referee. On 30 December 2008, he died in Piraeus of natural causes, at the age of 100.