Jha (Hindi and Nepali: झा) is a surname of Maithil Brahmins native to the Mithila region of India and Nepal. Notable people with the name include:
A–B
- Acharya Rameshwar Jha, Sanskrit scholar
- Aditya Jha, Indo-Canadian entrepreneur and philanthropist
- Aditya Narayan Jha, Indian singer, host, actor
- Aditya Nath Jha (1911–1972), Indian Civil Service, recipient of the Padma Vibhushan
- Ajay Jha (1956–2013), Indian cricketer
- Amardeep Jha (born 1960), Indian film and television actress
- Amarnath Jha (c. 1888–1947) Indian academic, university Vice Chancellor
- Amishi Jha, American neuroscientist and professor of psychology
- Anshuman Jha (born 1986), Indian actor
- Anuranjan Jha (born 1977), Indian journalist
- Anurita Jha (born 1986), Indian actress
- Apoorvanand Jha, Indian professor of Hindi
- Ashish Jha, Dean of Brown University School of Public Health
- Bedanand Jha (died 2006), Nepalese politician
- Bhogendra Jha (died 2009), Indian politician
- Bidhu Jha (born 1942), Canadian politician
- Binodanand Jha (born 1900), Indian politician, Chief Minister of Bihar
C–N
- Chandeshwor Jha, Nepalese politician
- D. N. Jha (born c. 1940), Indian historian and professor
- Durgananda Jha (1941–1963), Nepalese failed assassin
- Ganganath Jha (1842–1971), Sanskrit and philosophy scholar from Bihar
- Gonu Jha (13th century), Indian wit character
- Hetukar Jha (born 1944), Indian author and professor of sociology
- Kamal Nath Jha (1923–2003), Indian freedom fighter, social activist, and politician
- Kanak Jha two-time Olympian (2016 and 2020) and was the 4 times US national champion Table Tennis player
- Kanchinath Jha "Kiran" (1906–1989), Indian Maithili-language writer
- Kaveri Jha (born 1983), Indian film actress
- Komal Jha (born 1987), Indian film actress
- Kranti Prakash Jha, Indian film actor
- Lakshmi Kant Jha (1913–1988), Governor of the Reserve Bank of India
- Manish Jha (born 1978), Indian film director and screenwriter
- Manoj Kumar Jha, an Indian politician
- Nagendra Nath Jha (born 1935), Indian diplomat and lieutenant governor
- Narendra Jha (1964–2018), Indian television actor
- Nidhi Jha, Indian television actress
P–R
- Pankaj Jha, Indian actor
- Parmanand Jha (born 1946), Nepalese politician, Vice President of Nepal
- Piyush Jha, Indian director and screenwriter
- Prabhat Jha (epidemiologist) (born 1965), Indian-Canadian epidemiologist and health economist
- Prabhat Jha (politician) (born 1957), Indian MP and National Vice President of Bharatiya Janata Party
- Prakash Jha (born 1952), Indian film producer, director and screenwriter
- Prayag Jha (born 1945), Indian artist specializing in etching
- Prem Shankar Jha (born 1938), Indian journalist, author and columnist
- Radhanandan Jha (1929–2005), Indian politician from the Congress Party
- Radhika Jha (born 1970), Indian novelist
- Raghunath Jha (born 1939), Indian politician
- Raj Kamal Jha (born 1966), Indian novelist and journalist
- Rajeev Jha (born 1976), Nepalese politician and General Secretary of Nepal Sadbhavana Party
- Ramashreya Jha (1928–2009), Indian composer and teacher of Hindustani classical music
- Ramesh Chandra Jha (1928–1994), Indian poet, novelist and freedom fighter
S–V
- Sanjay Jha (born 1963), Indian businessman and CEO
- Sanjeev Jha (born 1979), Indian politician
- Saurav Jha, Indian commentator on energy and security
- Shriya Jha (born 1986), Indian film and television actress
- Shubhashish Jha (born 8th March 1991), Indian television actor
- Sriram Jha (born 1976), Indian chess grandmaster
- Sriti Jha (born 1986), Indian television actress
- Subhash K. Jha (born 1959), Indian film critic, journalist, editor and film trade analyst
- Sudhanshu Shekhar Jha (born 1940), Indian condensed matter physicist
- Surendra Jha 'Suman' (1910–2002), Indian Maithili-language poet
- Suvarna Jha, Indian television actress
- Tarakant Jha (1927–2014), Indian chairperson of the Bihar Legislative Council
- Udit Narayan Jha (born 1955), Bollywood playback singer
- Vartika Jha (born 2000), Indian dancer, choreographer and actress
- Vikas Kumar Jha, Indian journalist and author
- Vinay Kumar Jha (born 1971), Nepalese cricket umpire