Surname Riddler (Riddler 
) , around the globe, is a rare cognomen. The last name Riddler is habitual in United Arab Emirates, where it is a rare surname, New Zealand, and Australia. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Canada. Very seldom, Riddler is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riddler | Canada, United Arab Emirates, Australia, United States, United Kingdom |
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dj riddler American DJ and record producer, US |
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| ian riddler archaeologist |
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| sharon a riddler researcher (ORCID 0000-0002-2545-7037) |
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