Last name Ruddi (Ruddi 
) , in the entire world, is a rare cognomen. The family name Ruddi is characteristic of Estonia, where it is a rare surname, Nicaragua, and Singapore, where it is a very rare surname. In absolute terms, it is the most numerous in Indonesia, Mexico, and India. More frequently, Ruddi is the forename as well as the last name.
Rios, Choeday, Barooah, Khatoon, Kusnadi, Kitchen, Ramirez, Effendi, Martinez, Setiawan, Sodemann, Carneiro, Cabalida, Loenders, Tamakloe, Haryanto, Vervloet, Oliveira, Urquilla, Barbolini, Rodriguez, Pilkington, Almonte, Villarreal, Snijder, Schmidt, Devi, Tows, Souza, Amaya, Carew, Bruce, Perez, Peña, Gomez, Grion, Lubis, Yanto, Sleurs, Chavez, Carias, Khatun, Garcia, Hansen, Fanani, Madeira, Montero, Swinnen, and Christensen