Niroshan may refer to

• Niroshan Bandaratilleke, Sri Lankan cricketer
• Niroshan Dickwella, Sri Lankan cricketer
• Niroshan Mani, Indian footballer
• Niroshan Illeperuma, actor
• Niroshan Perera, Sri Lankan politician
• Niroshan Premaratne, Sri Lankan politician
• Niroshan Wijekoon, Sri Lanka badminton player
• Chaminda Niroshan, Sri Lankan cricketer

• Nathan Ingham
• Nathanio Kompaoré
• Nathan Irving Hentoff
• Nathan Israel
• Nathan Israel's Department Store
• Nathaniyal Murmu Memorial College
• Nathan Jakavicius
• Nathan James (broadcaster)
• Nathan James (Broadcaster)
• Nathan Jatcko
• Nathan Johnson (Texas politician)
• Nathan Jones (Australian rules footballer)
• Nathan Jones (character)
• Nathan Jones (The Story of Tracy Beaker character)
• Nathan Jordison
• Nathan Joseph (TV personality)
• Nathan J. Robinson
• Nathan Júnior Soares de Carvalho
• Nathan Kahan
• Nathan Kallison
• Nathan Katz (judoka)
• Nathan Kerr
• Nathan King (musician)
• Nathan Kogan
• Nathan Kundtz