Eleftherios Poupakis

{{Short description|Greek footballer}}

{{Use dmy dates|date=January 2024}}

{{BLP sources|date=June 2009}}

{{Infobox football biography

| name = Lefteris Poupakis

| fullname = Eleftherios Poupakis

| image =

| image_size =

| caption =

| birth_date = {{Birth date and age|df=y|1946|12|28}}

| birth_place = Perama, Rethymno, Greece

| height = 1.82 m

| position = Goalkeeper

| youthyears1 =

| youthclubs1 = Thriamvos Athens

| years1 = 1966–1973

| years2 = 1973–1978

| years3 = 1978–1981

| years4 = 1981–1982

| years5 = 1983–1984

| years6 = 1984–1985

| clubs1 = Egaleo

| clubs2 = Olympiacos

| clubs3 = OFI Crete

| clubs4 = Panathinaikos

| clubs5 = Olympiacos

| clubs6 = Apollon Smyrni

| caps1 =

| caps2 =

| caps3 =

| caps4 =

| caps5 =

| goals1 =

| goals2 =

| goals3 =

| goals4 =

| goals5 =

| nationalyears1 = 1971–1981

| nationalteam1 = Greece

| nationalcaps1 = 6

| nationalgoals1 = 0

| club-update =

| nationalteam-update =

}}

Eleftherios "Lefteris" Poupakis (Greek: Ελευθέριος "Λευτέρης" Πουπάκης; born 28 February 1946) is a retired Greek footballer who played as a goalkeeper.

During his career he played for Egaleo F.C., Olympiacos F.C., OFI Crete, Panathinaikos FC and Apollon Smyrnis F.C. He earned six caps for the Greece national football team,{{cite web|publisher=Hellenic Football Federation|script-title=el:ΕΘΝΙΚΕΣ ΟΜΑΔΕΣ > Εθνική Ομάδα Ανδρών|url=http://www.epo.gr/ethniki/men/men6.asp|language=Greek|accessdate=11 November 2009|url-status=dead|archiveurl=https://web.archive.org/web/20091231025348/http://www.epo.gr/ethniki/men/men6.asp|archivedate=31 December 2009|df=dmy-all}} and participated in UEFA Euro 1980.