Siddiqui (Arabic: صدیقی) are a Muslim community, found mainly in India, Pakistan, and Bangladesh, and in communities in Saudi Arabia, the Middle East and North Africa.

It is also an Islamic-based common name in reference to the 1st Rashidun Caliph Abu Bakr who was known as Al-Siddiq and is considered the common ancestor of Siddiquis.

Notable people with the name include:

• Siddiqui Ahmed Khan (1914–?), Indian sarangi player

• Aafia Siddiqui (born 1972), Pakistani scientist
• Abul Lais Siddiqui (1916–1994), Pakistani author and linguist
• Abdul Latif Siddiqui (born 1943), Bangladeshi politician, serving as a member of Jatiya Sangsad
• Abdul Samad Siddiqui, Indian politician
• Adnan Siddiqui (born 1969), Pakistani actor and model
• Aftab Siddiqui, Pakistani politician and member of the National Assembly of Pakistan
• Ahmed Siddiqui (American youth) (born 1996), American who was kidnapped as a child
• Akhtar Hameed Siddiqui (1947–2017), Bangladeshi politician who served as the Deputy Speaker of the Jatiya Sangsad
• Ali Jehangir Siddiqui (born 1976), Pakistani politician, administrator and ambassador
• Arifa Siddiqui, Pakistani actress
• Asad Siddiqui, Pakistani actor
• Ashraf Siddiqui (1927–2020), Bangladeshi poet, researcher, folklorist and essayist
• Ataullah Siddiqui, British academic
• Ausaf Umar Siddiqui (born 1966), also known as Omar Siddiqui, Pakistani business executive
• Aziza Siddiqui (born c. 1983), Afghan women's rights activist
• Bari Siddiqui (1954–2017), Bangladeshi singer-songwriter, flutist, and folk musician
• Barkat Siddiqui, Pakistani television director, producer and actor
• Fawad Siddiqui, American actor, improvisational comedian, journalist and cartoonist
• Hammad Siddiqui, Pakistani politician
• Haroon Siddiqui, Indo-Canadian newspaper journalist, columnist and a former editor
• Iqbal Siddiqui (born 1974), Indian cricketer
• Islam A. Siddiqui, American lobbyist of Indian descent
• Ishrat Ali Siddiqui, Indian gandhian, poet of Urdu literature and editor
• Jahangir Siddiqui, Pakistani businessman and philanthropist
• Javed Siddiqi (born 1942), Indian screenwriter
• Khalid Siddiqui (born 1958), Indian film and television actor
• Khalid Maqbool Siddiqui, Pakistani politician and government minister
• Kalim Siddiqui (1931–1996), Pakistani-British writer and Islamic activist
• Kamal Uddin Siddiqui, Bangladeshi economist and social scientist
• Mohsin Siddiqui, Pakistani politician and businessman
• Mona Siddiqui (born 1963), British academic and professor of Islamic and Interreligious Studies
• Muhammad Alauddin Siddiqui (1936–2017), Islamic Sufi scholar from Nerian Sharif Azad Kashmir Pakistan
• Muhammad Ali Siddiqui (1938–2013), Indian scholar of Urdu literature
• Muhammad Ibrahim Siddiqui, Indian Islamic scholar
• Muhammad Shafi Siddiqui (born 1965), Pakistani jurist and Justice of the Sindh High Court
• Muhammad Shoaib Siddiqui, Pakistani politician and Member of the Provincial Assembly of the Punjab
• Muneeba Ali Siddiqui (born 1997), Pakistani female cricketer
• Naeem Siddiqui (1916–2002), Pakistani Islamic scholar, writer and politician
• Nasimuddin Siddiqui (born 1959), Indian Uttar Pradesh politician, member of Indian National Congress
• Nawazuddin Siddiqui (born 1974), Indian film actor
• Nazim Hussain Siddiqui (born 1940), Pakistani jurist who served as Chief Justice of the Supreme Court of Pakistan
• Obaidur Rahman Siddiqui (born 1964), Indian historian
• Qamar Siddiqui, Pakistani poet
• Rasheed Ahmad Siddiqui (1892–1977), Urdu writer and a professor
• Rauf Siddiqui, Pakistani politician and a Member of the Provincial Assembly of Sindh
• Sadiya Siddiqui, Indian film and television actress
• Sadaf Siddiqui (born 1985), Pakistani track and field sprint athlete
• Saeeduzzaman Siddiqui (1939–2017), Pakistani jurist and legislator, former Chief Justice of Pakistan
• Salimuzzaman Siddiqui (1897–1994), Pakistani organic chemist specialising in natural product chemistry
• Saghar Siddiqui (1928–1974), Pakistani poet in Urdu
• Shahid Siddiqui, Indian politician and journalist, former member of the Rajya Sabha
• Shaukat Siddiqui (1923–2006), Pakistani writer of fiction
• Shaukat Aziz Siddiqui (born 1959), Pakistani jurist and former senior Justice of the Islamabad High Court
• Shakeel Siddiqui, Pakistani television stand-up comedian
• Sultana Siddiqui, Pakistani television director, producer and businessperson
• Tasneem Siddiqui, Pakistani politician and member of the National Assembly of Pakistan
• Tooba Siddiqui, Pakistani model
• Uroosa Siddiqui, Pakistani television actress and comedian
• Zeeshan Siddiqui (born 1975), Pakistani-born Norwegian cricketer
• Zillur Rahman Siddiqui (1928–2014), Bangladeshi writer, academic and educationist
• Mohammad Iftikhar Ali Khan Siddiqui Pataudi (1910–1952), 8th Nawab of Pataudi

• Abul Hasan Siddiqi (1943–2020), Indian mathematician and Professor of Applied Mathematics
• Abdul Wahab Siddiqi (1942–1994), Pakistani Sunni Muslim religious scholar and Sufi master
• Aijaz Siddiqi (1911–1978), Urdu writer and poet
• Anis Siddiqi (born 1959), Pakistani cricketer
• Asif Azam Siddiqi, Bangladeshi American space historian
• A. Y. B. I. Siddiqi (1945–2021), Bangladeshi Inspector General of Police
• Hafiz Siddiqi (1931–2018), Bangladeshi academic
• Imran Siddiqi (born 1957), Indian geneticist
• Irfan Siddiqi, American physicist and currently a Professor of Physics at the Quantum Nanoscience
• Jameela Siddiqi, British novelist, journalist, broadcaster, linguist
• Javaid Siddiqi (born 1977), American educator
• Javed Siddiqi (born 1942), Indian Hindi and Urdu writer

• Jawed Siddiqi, Pakistani British computer scientist and software engineer
• Kamal Siddiqi, Australian journalist of Pakistani origin
• Kashif Siddiqi (born 1986), English footballerof Indian descent
• L. K. Siddiqi (1939–2014), Bangladeshi politician and philanthropist and member of parliament
• Manzoor Ul Haq Siddiqi (1917–2004), Indian educationist, historian and an author
• Muhammad Abdul Aleem Siddiqi (1892–1954), Indian Islamic scholar
• Mustafizur Rahman Siddiqi (1925–1992), Bangladeshi entrepreneur, politician and diplomat
• Nasir Siddiqi (born 1965), Pakistani Emirati cricketer
• Nawab Khwaja Abid Siddiqi, also known as Kilich Khan, Nawab under Aurangzeb
• Obaid Siddiqi (1932–2013), Indian geneticist
• Ravish Siddiqi (1911–1971), Urdu Ghazal and Nazm writer
• Shujauddin Siddiqi (1919–2003), Indian cricketer
• Sumaiya Siddiqi (born 1988), Pakistani cricketer

• Amblyseius siddiqui, a species of mite in the family Phytoseiidae
• Daniel Seddiqui, American traveler and writer