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

• Abraham Portal (1726–1809), English goldsmith and dramatist
• Alejandro Portal (born 1995), Cuban footballer
• Alex Portal (born 2002), French Paralympic swimmer
• Alexia Portal, French actress
• Antoine Portal (1742–1832), French anatomist, doctor and medical historian
• Charles Portal, 1st Viscount Portal of Hungerford (1893–1971), British air force officer
• Enrique del Portal (1932–2020), Spanish tenor and actor
• Sir Gerald Portal (1858–1894), British colonial diplomat
• Jane Portal (born 1955), British art historian and curator
• Jane Williams, Baroness Williams of Elvel née Portal (1929-2023), British government worker and socialite
• Jean-Michel Portal (born 1970), French actor
• Louise Portal (born 1950), Canadian actress
• Magda Portal (1900–1989), Peruvian poet, author and activist
• Manuel Vázquez Portal (born 1951), Cuban journalist and poet
• Marta Portal (1930–2016), Spanish writer, critic, journalist and academic
• Melville Portal (1819–1904), British politician and father of Gerald Portal
• Michel Portal (born 1935), French composer, saxophonist, and clarinetist
• Nicolas Portal (1979–2020), French cyclist
• Sir Reginald Henry Portal (1894–1983), British naval officer
• Robert Portal (born 1967/68), English actor
• Sébastien Portal (born 1982), French cyclist
• Stanley Portal Hyatt (1877–1914), English explorer, hunter and writer
• Wyndham Portal, 1st Viscount Portal (1885–1949), British businessman and public servant