Worldwide, Peter Robert (Peter Robert 
) is a rare masculine first name. The first name Peter Robert is characteristic of Switzerland, where it is a rare male name, Chile, and Australia. Not in comparison with a country's population, it is commonest in Germany, Australia, and the United Kingdom. Much less frequently, Peter Robert is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Peter Robert | Philippines, United Kingdom, Australia, Chile, Germany |
Biol, Warlow, Mcinnes, Gleeson, Vaughan, Verzosa, Fieseler, Foolkes, Mcmillan, Waller, Campbell, Barkworth, Thorburn, Mackenney, Griffiths, Grifftiths, Esmeralda, Gottschalk, Fitzmaurice, Cabanero, Ferraz, Hallam, Nicoll, Lane, Nord, Frei, Symes, Clark, Pabst, Darby, Grace, Eggli, Eyrewalker, Weber, Martin, Milnes, Baulch, Reeves, Lepage, Thomas, Nathan, Nagele, Fleischmann, and Campbell Chacon