Vishal Dadlani (born 28 June 1973) is an Indian singer, songwriter, music composer and occasional actor. He is one half of the duo Vishal–Shekhar, and frontman and vocalist of one of India's leading rock bands Pentagram.

As a singer, he has sung various hit songs for various genres notably Dhoom Again, Kurban Hua, Jee le Zara, Marjaiyann, I feel Good, Jab Mila Tu, Tu Meri, Swag Se Swagat, Bala, Har funn Maula, Khuda Hafiz. As a vocalist of band Pentagram, notable works are Voice, Tomorrow's Decided, Must I':, Love Drug Climbdown and more to go. As a music director, he has composed songs for films such as Om Shanti Om, Anjaana Anjaani, Dostana, I Hate Luv Storys, Bang Bang!, Sultan, Student of the Year, Befikre and War.

Dadlani has been in collaboration with many international artists like Imogen Heap, Diplo, The Vamps and Akon.