Here are some statistics concerning the surname Viana and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.0004%
Approximate number of South Africans that have this surname: 208 MD5 Code: 47dcdd724002ddbce78ba0891d54c255 SHA1 Code: 87ecca8fe4ce9613543845cf6f5002db793c35db