The following spacecraft sucessfully flew to Venus (some did not accomplish their mission goals, or were only fly-bys, but did reach the vicinity of the planet):

Sputnik 7 - Venera 1 - Mariner 1 - Sputnik 19 - Mariner 2 - Sputnik 20 - Sputnik 21 - Venera 1964A - Venera 1964B - Cosmos 27 - Zond 1 - Venera 2 - Venera 3, Venera 4 - Mariner 5 - Cosmos 167 - Venera 5 - Venera 6 - Venera 7 - Cosmos 359 - Venera 8 - Cosmos 482 - Mariner 10 - Venera 9 - Venera 10 - Pioneer Venus 1 - Pioneer Venus 2 - Venera 11 - Venera 12 - Venera 13 - Venera 14 - Venera 15 - Venera 16 - Vega 1 - Vega 2 - Galileo - Magellan -Cassini - Venus Express - MESSENGER - Planet-C (Venus Climate Orbiter)

(See the related link below)

The Russians sent 10 probes there between 1967 (Venera 4) and 1983 (Venera 15).

Mariner 2 (Nasa fly-by)

Venera 2 (USSR fly-by)

Venera 3 (USSR landing, destroyed in atmosphere upon landing)

Venera 4 (USSR probe landing)

Mariner 5 (Nasa fly-by)

Venera 6 (USSR probe landing)

Venera 7 (USSR probe landing)

Venera 8 (USSR landing)

Mariner 10 (Nasa fly-by on way to Mercury)

Venera 9 (USSR orbiter and landing)

Venera 10 (USSR orbiter and landing)

Pioneer Venus 1 (NASA orbiter)

Pioneer Venus 2 (4 separate NASA probes)

Venera 12 (USSR lander and orbiter)

Venera 11 (USSR lander and orbiter)

Venera 13 (USSR lander and orbiter)

Venera 14 (USSR lander and orbiter)

Venera 15 (USSR orbiter)

Vega 1 (USSR probe and Comet Halley flyby)

Vega 2 (USSR probe and Comet Halley flyby )

Galileo (NASA fly-by on way to Jupiter)

Mariner 2 (NASA fly-by)

Venera 2 (USSR fly-by)

Venera 3 (USSR landing, destroyed in atmosphere upon landing)

Venera 4 (USSR probe landing)

Mariner 5 (Nasa fly-by)

Venera 6 (USSR probe landing)

Venera 7 (USSR probe landing)

Venera 8 (USSR landing)

Mariner 10 (Nasa fly-by on way to Mercury)

Venera 9 (USSR orbiter and landing)

Venera 10 (USSR orbiter and landing)

Pioneer Venus 1 (NASA orbiter)

Pioneer Venus 2 (4 separate NASA probes)

Venera 12 (USSR lander and orbiter)

Venera 11 (USSR lander and orbiter)

Venera 13 (USSR lander and orbiter)

Venera 14 (USSR lander and orbiter)

Venera 15 (USSR orbiter)

Vega 1 (USSR probe and Comet Halley flyby)

Vega 2 (USSR probe and Comet Halley flyby )

Galileo (NASA fly-by on way to Jupiter)

Santa Venera's population is 6,800.