Last name Macmurdo (Macmurdo 
) , globally, is a rare cognomen. The last name Macmurdo is habitual in Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Macmurdo | United Kingdom, Australia, United States, Canada, New Zealand |
| james macmurdo first political resident of British East India Company to Cutch State, GB (b. 1785) |
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| jim macmurdo American football player (1909-1981), US (b. 1909) |
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| john macmurdo person associated with the witch trials in Scotland, GB |
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