He was born in the year 1955 in a village named Bhardaha in the Saptari district in Nepal. His successful break was in 1980 for the film Unees Bees. He got married to Ranjana Narayan in 1984 and Deepa Narayan, a singer in 1985 for the second time. His son Aditya Narayan is also a singer.
Udit Narayan has worked with several musicians like Rahul Dev Burman, A. R. Rahman, Anand Milind, Jagjit Singh, Anu Malik, Jatin Lalit, Laxmikant – Pyarelal, Kalyanji – Anandji, Bappi Lahiri, Vishal Bhardwaj, Shankar Mahadevan, Himesh Reshammiya, Pritam Chakraborty, Vishal – Shekhar, etc.
Some of the films that he worked include Lagaan, Darr, Kuch Kuch Hota Hai, Dilwale Dulhaniya Le Jayenge, Dil To Pagal Hai, Mohabbatein, Devdas, Kal Ho Naa Ho, Swades, Veer Zaara, etc. He worked with directors like Yash Chopra, Sanjay Leela Bhansali, Ashutosh Gowariker, Karan Johar, etc.
Some of his famous songs include - Bole Chudiyan, Radha, Tip Tip Barsa Paani, Humko Humise Chura Lo, Pehla Nasha, Yeh Ladka Hai Allah, Chand Chupa Badal Mein, Pairon Mein Bandhan Hai, Dil Laga Liya Maine, Pardesi Pardesi, Main Yahaan Hoon, Mohabbat Dil Ka Sakoon, Zindagi Ban Gaye Ho Tum, Soni Soni, Jaadu Teri Nazar, Deewangi Deewangi, Say "Shava Shava", Dhak Dhak Karne Laga, Mehndi Laga Ke Rakhna, Taaron Ka Chamakta, Radha Kaise Na Jale, Ho Gaya Hai Tujhko To Pyar Sajna, Mubarak Mubarak, Aankhein Khuli, Dholna, Aaye Ho Meri Zindagi Mein, Hum Tumko Nigahon Mein, Tu Cheez Badi Hai Mast Mast, Tumse Milna, The Medley, Chaha Hai Tujhko, Ek Dilruba Hai