| Theodoros Papasimakopoulos Θεόδωρος Παπασημακόπουλος | |
| Birth Place: | Bostenitsa (now Oreini), Olympia, Elis, (now Greece) |
| Nationality: | Greek |
| Occupation: | Greek revolutionary leader |
Theodoros Papasimakopoulos (Greek: Θεόδωρος Παπασημακόπουλος; c. 1790 – 1800s) was a Greek revolutionary leader during the Greek War of Independence.
He was born in about 1790 in Bostenitsa (now Oreini in the municipality of Olympia), northeastern Elis. He fought on the side of Plaplouta in many battles along with the battle of Lalas, Tripoli, Nafplio and others. In 1844 he was awarded with the rank of a sergeant by the Greek state.