Family name Irosh (Irosh 
, Irsh 
) , all over the world, is quite a rare last name. The surname Irosh is habitual in Sri Lanka, where it is quite a rare surname, Pakistan, where it is a rare surname, and United Arab Emirates. Likewise, Irosh is the forename as well as the last name.
Pinto, Madhushan, Madusanka, Sachintha, Abeysekara, Buwanayaka, Nishantha, Wijesekera, Wimaladharma, Munasingha, Umayanga, Subasinghe, Gajanayaka, Jayarathna, Siriwardana, Amarasinghe, Chathuranga, Dissanayaka, Gunawardana, Karunathilake, Sarathchandra, Rathnayake, Fernando, Liyanage, Kodikara, Ranga, Enzer, Samith, Kumara, Perera, Peiris, Prasad, Eranga, Herath, Indika, Imalka, Sampath, Bandara, Badilla, Kuruppu, Dilshan, Neupane, Vijesiri, Sanjeewa, Akalanka, Colombage, Hettiarachchi, and Kasthuriarachchi