The name Kaustav is a popular name and parents adore it due to its significance on the character. Kaustav name meaning is A Legendary Gem; A Gem Worn by Lord Vishnu and it associate lucky number is 5. Kaustav is a versatile name that has been popular in the English-speaking world for many decades and Kaustav name meaning is also deep. Find out the pronunciation of Kaustav and other well-known baby names that sound similar to Kaustav in the United States of America (USA).