Apostolos Christou (; born 1 November 1996) is a Greek swimmer. He competed for Greece at the 2016 Summer Olympics in Rio de Janeiro. In the men's 100 metre backstroke competition, he placed 18th in the heats with a time of 54.12 seconds and did not qualify for the semifinals. In the men's 200 metre backstroke competition, he placed 24th in the heats with a time of 1:59.78 and did not qualify for the semifinals. Christou also swam on the men's 4 x 100 metre medley relay team for Greece. They placed 15th in the heats and did not qualify for the final.