Gambhir
Gambhir is an Indian (Khatri) surname. Notable people 
People bearing the name Gambhir include:

Daljeet Singh Gambhir, Indian cardiologist
Eenam Gambhir, Indian diplomat
Gautam Gambhir, Indian cricketer
Jasvinder K. Gambhir, Indian doctor and professor
Paru Gambhir, Indian actress
Sanjiv Sam Gambhir, Indian-American physician
Surendra Gambhir, Indian-American writer

Surnames of Indian origin
Punjabi-language surnames
Surnames of Hindu origin
Khatri surnames