Cognomen 羅伯特 (Robert 
, Rubert 
, Lobert ) , all around the world, is a widespread surname. The cognomen 羅伯特 is habitual in Poland, where it is a widespread surname, North Macedonia, where it is a common surname, and Reunion (explore the name in all countries). Not in comparison with a country's population, it is commonest in Poland, France, and Tanzania. More frequently, 羅伯特 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Robert | Germany, United Kingdom, United States, Poland, France |
| Rubert | Germany, United Kingdom, Philippines, United States, France |
| Lobert | United Kingdom, Philippines, United States, Poland, France |
| 羅伯特 | China |
Bert, Bob, Bobby, Rob, Robat, Robbert, Robby, Roberta, Robertas, Roberte, Roberth, Roberto, Roberts, Robertus, Robi, Robrecht, Rommert, Roope, Ropert, Rubbert, Rupert, Ruppert, Rupprecht, Ruprecht, Róbert, Röbert, Röbi, Röpke, Rüppert, Μπομπ, Ρομπέρτα, Ρόμπερτ, Берт, Боб, Бобби, Лысый, Репке, Роб, Робат, Робби, Роббі, Робер, Роберт, Роберта, Робертас, Роберто, Робертс, Робертус, Робэрт, Руперт, בוב, ברט, רוב, רוברט, רוברטה, רוברטו, רוברטס, רופרט, بوب, بوبي, بيرت, روب, روبرت, روبرتس, روبرتو, روبي, বব, バート, ボビー, ボブ, ロバーツ, ロバート, ロブ, ロベルタ, ロベルト, ロベール, 伯波, 伯特, 罗伯, 罗布, 羅拔, 鲍勃, and 鲍比