The name Niles is a popular name and parents adore it due to its significance on the character. Niles name meaning is Champion; Son of Neil; People's Victory; Smooth; Passionate and it associate lucky number is 5. Niles is a versatile name that has been popular in the English-speaking world for many decades and Niles name meaning is also deep. Find out the pronunciation of Niles and other well-known baby names that sound similar to Niles in the United States of America (USA).