1964 Constantinopolitan senatorial election (The Sublime Porte)

{{Infobox legislative election
 * election_name     = 1964 Constantinopolitan senatorial election
 * previous_election = 1958
 * next_election     = 1970
 * election_date     = July 13, 1964
 * seats_for_election = All 50 seats in the Senate
 * turnout           = 60.0% {{decrease}}3.1%
 * first_election    = no
 * noleader          = no
 * nopercentage      = no