Nisar or Nesar is a masculine given name of Arabic origin which means to sacrifice oneself; the word 'Nisar' itself means 'one who sacrifices oneself'. Notable people with the name include:
Given name Nesar Nesar Ahmed (born 1952), Bangladesh politician Nesar Ahmad Bahave (born 1984), Afghan Taekwondo practitioner
Nesaruddin Nesaruddin Ahmad (1873–1952), Bengali Islamic scholar
Nisar Nissar (director) (1960–2025), Indian film director Nisar Afridi (born 1999), Pakistani cricketer Nisar Ahmad (cricketer) (born 1995), Pakistani cricketer Nisar Ahmad Ahmadi (died 2023), Afghan politician Nisar Ahmed (footballer) (born 1943), Pakistani footballer Nisar Baaz, Pakistani politician Nisar Bazmi (1924–2007), Pakistani composer and music director Nisar Ahmed Cheema, Pakistani politician Nisar Ahmed Faruqi (1934–2004), Indian scholar on Sufism Nisar Fatima (1935–1991), Pakistani politician and religious scholar Nisar Gul, Pakistani politician Nisar Hossain (born 1961), Bangladeshi academic Nisar Ahmad Jutt (born 1975), Pakistani politician and agriculturalist Nisar Ahmad Kakru (born 1949), Indian judge Nisar Khan (born 1954), Pakistani politician Nisar Khan (boxer) (born 1982), Pakistani boxer Nisar Akbar Khan (1942–2024), Pakistani politician and army officer Nisar Hussain Khan (1906–1993), Indian classical vocalist Nisar Muhammad Khan (1942–2018), Pakistani playwright, scriptwriter, and broadcaster Nisar Khuhro (born 1950), Pakistani politician Nisar Memon (born 1942), Pakistani politician Nisar Mohmand, Pakistani politician Nisar Muhammad, Pakistani politician Nisar Nasik (1939–2019), Pakistani poet Nisar Ahmad Nusrat (died 2024), Afghan Taliban politician Nisar Ahmed Panhwar (born 1966), Pakistani politician Nisar Qadri (1940–2023), Pakistani radio, stage, and television actor Nisar Rahmath, Indian costume designer Nisar Ahmed Siddiqui (died 2020), Pakistani academic and educationist Nisar Smiler (born 1951), British Pakistani martial artist, actor, and radio presenter Nisar Tanveer, Pakistani politician Nisar Wahdat (born 1999), Afghan cricketer Nisar Muhammad Yousafzai (1897–1937), Afghan war hero Jan Nisar Akhtar (1914–1976), Indian poet and Bollywood lyricist K. S. Nissar Ahmed (1936–2020), Indian poet and writer in Kannada
Surname Hassan Nisar (born 1951), Pakistani columnist and analyst Mohammad Nisar, Pakistani cricketer Mohammad Nissar (1910–1963), Indian cricketer Muhammad Nisar (born 1985), Pakistani kabaddi player
Other uses NISAR (satellite), Nasa-Isro Synthetic Aperture Radar (NISAR), a joint space venture between India and USA