Broad is a surname. Notable people with the surname include:

• Alfred Scott Broad (1854–1929) South Australian artist
• C. D. Broad, English philosopher known for works such as Scientific Thought (1930) and Examination of McTaggart's Philosophy (1933)
• Chris Broad, former English cricketer and match referee
• Eli Broad, billionaire and philanthropist
• Francis Alfred Broad, United Kingdom politician; also known as Frank Broad
• James Broad (disambiguation)
• Nick Broad (died 2013), English nutritionist
• Perry Broad (1921–93), Brazilian SS officer at Auschwitz concentration camp
• Shane Broad (born 1976), Australian politician and rower
• Stephen Broad, former English footballer
• Stuart Broad, English cricketer, son of Chris Broad
• Billy Idol, real name William Albert Michael Broad
• William Broad New York Times writer

• Arignar Anna
• Arignar Anna Institute of Science and Technology
• Arignar Anna Zoological Park
• Arignote
• Ari Goldman
• Ari Gold (singer-songwriter)
• Arigomphus
• Arigomphus submedianus
• Arigo Padovan
• Ari Gröndahl
• Ariguani River
• Ari Gudmundsson
• ARIH1
• ARIH2
• Ari Haanpaeae
• Arihah
• Ari HaKadosh
• Arihant
• Arihant (disambiguation)
• Arihant (Jainism)
• Arihara Kanna
• Ari Harow
• Arihiro Fujimura
• Ari Huumonen
• Arii