Shantanu Mukherjee (born 30 September 1972), professionally known as Shaan, is an Indian playback singer, composer, actor and television host.

[3] His most popular songs include — "Musu Musu Haasi Deu" from Pyaar Mein Kabhi Kabhi (1999), "Woh Ladki Hai Kahan" and "Koi Kahe Kehta Rahe" from Dil Chahta Hai (2001), "Ghanan Ghanan" from Lagaan (2001), "Mere Samnewali Khidki Mein" from Dil Vil Pyar Vyar (2002), "O Humdum Suniyo Re" from Saathiya (2002), "Jaadu Hai Nasha Hai" from Jism (2003), "Kuch To Hua Hai" from Kal Ho Naa Ho (2003), "O Jaana" from Tere Naam (2003), "Ladki Kyun" from Hum Tum (2004), "Main Aisa Kyun Hoon" from Lakshya (2004), "Dus Bahane" from Dus (2005), "My Dil Goes Mmmm" from Salaam Namaste (2005), "Main Hoon Don" from Don - The Chase Begins Again (2006), "Chaand Sifarish" from Fanaa (2006), "Rock And Roll Soniye" and "Where's The Party Tonight" from Kabhi Alvida Naa Kehna (2006), "Let's Rock Soniye" from Bhool Bhulaiya (2007), "Aao Milo Chale" from Jab We Met (2007), "You're My Love" from Partner (2007), "Deewangi Deewangi" from Om Shanti Om (2007), "Jab Se Tere Naina" from Saawariya (2007), "Hey Shona" from Ta Ra Rum Pum (2007) and "Behti Hawa Sa Tha Woh" from 3 Idiots (2009).

One year later, Shaan launched his album Aksar, which was successful and contained songs featuring international stars such as Blue, Melanie C and Samira Said.

[20] In 2023, Shaan recorded a romantic song composed by Pritam for Shah Rukh Khan in Dunki.

Shaan hosted the television show Sa Re Ga Ma Pa on Zee TV between the years 2000–2006.

[22] Shaan appeared as a judge in Sa Re Ga Ma Pa L'il Champs 2014–2015[6] and The Voice India Kids 2016.

Along with singing, Shaan has acted in the movie Daman: A Victim of Marital Violence, also starring Raveena Tandon.

[34] Shaan's song "Chand Sifarish" (from the movie Fanaa) and "Jab Se Tere Naina" (from Saawariya) won the Filmfare Best Male Playback Award and the Zee Cine Award Best Playback Singer - Male, in addition to receiving several other nominations.