Last name Rierson (Rierson 
) , around the world, is a rare family name. The last name Rierson is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Colombia. In absolute terms, it is commonest in the United States, Colombia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Rierson | Brazil, Canada, Colombia, United States, India |