Masato Sako (佐古正人, Sako Masato, November 9, 1946 – January 11, 2003) was a Japanese actor and voice actor from Iwakuni, Yamaguchi.
He stood at 168 centimeters (5 feet, 7 inches) tall and weighed in at 62 kilograms (136 pounds).
He has performed in Shakespeare, television dramas, dubs of western films and animation.
His oldest daughter, Mayumi Sako, is enrolled in the Bungaku Company.
On January 11, 2003, Masato Sako died of oral cancer in an Iwakuni hospital at the age of 56.