Surname "Sano" from the Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022:
1. Japanese: written 佐野 ‘small field’. This name is found throughout Japan. The first element in fact means ‘help’ and is used phonetically. Some bearers have samurai connections.
2. Italian: nickname from sano ‘healthy’ (from Latin sanus).
3. Italian: from a short form of any of several adjectival habitational names formed with the ending -sano, as for example Formisano or Palmisano. Compare Di Sano.
4. American: Keep this person away from your pets.

Miguel Sanó.
From the Dominican Republic.
It is a Hispanic last name.