All over the world, Ричардсон (Richardson 
, Rychardson , Ritchardson 
) is quite a common boy's first name. The first name Ричардсон is characteristic of Trinidad and Tobago, where it is quite a rare gender-neutral name, Brazil, where it is quite a rare male name, and Ghana. Measured by absolute frequency, it is commonest in Brazil, Philippines, and the United States. Predominantly, Ричардсон is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Richardson | United Kingdom, Australia, United States, Canada, Brazil |
| Rychardson | Brazil, United Kingdom |
| Ritchardson | Germany, United Kingdom, United States, Canada, Brazil |
| Ричардсон | Russia |
Richardsen, Richardsson, Richardtson, Rickardsson, Rikardsen, Річардсон, ריצ'רדסון, and リチャードソン
Ричардсон is also a name for the fictitious and mythical characters: .