Christos Giannakopoulos (1909 – 12 February 1963) was a Greek playwright, screenwriter and journalist.

He was self-taught in theatre writing and his first appearance as a playwright was in 1929, while until 1939 he collaborated with many writers on comedies, revues and operettas. From 1939 he began to collaborate closely with Alekos Sakellarios on revues and comedies, songs and film scripts: The Germans are Coming Back, A Hero in Slippers, Miss 39, Thanasakis the Politician, A Pebble in the Lake, Alas for the Young and other works. He wrote the comedies The Great and the Little and A Nettle Among the Violets alone. He sketched the character of the Greek petty bourgeois with the contradictions, illusions and dead ends he faced. He stood out for the directness of his writing, his sensitivity, optimism and intimacy. He died in February 1963.