Pernoud may refer to :

• Georges Pernoud (born 1947), French TV presenter of documentary series Thalassa
• Régine Pernoud (1909–1998), French historian and medievalist

• Swimming at the 2020 Summer Olympics - Men's 200 metre freestyle
• Swimming at the 2020 Summer Olympics - Men's 400 metre freestyle
• Swimming at the 2020 Summer Olympics - Men's 50 metre freestyle
• Swimming at the 2020 Summer Olympics - Men's 800 metre freestyle
• Swimming at the 2020 Summer Olympics - Men's marathon 10 kilometre
• Swimming at the 2020 Summer Olympics - Qualification
• Swimming at the 2020 Summer Olympics - Women's 100 metre backstroke
• Swimming at the 2020 Summer Olympics - Women's 100 metre butterfly
• Swimming at the 2020 Summer Olympics - Women's 100 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's 1500 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's 200 metre backstroke
• Swimming at the 2020 Summer Olympics - Women's 200 metre butterfly
• Swimming at the 2020 Summer Olympics - Women's 200 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's 400 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's 50 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's 800 metre freestyle
• Swimming at the 2020 Summer Olympics - Women's marathon 10 kilometre
• Swimming at the 2020 Summer Olympics – Men's 100 metre backstroke
• Swimming at the 2020 Summer Olympics – Men's 100 metre butterfly
• Swimming at the 2020 Summer Olympics – Men's 100 metre freestyle
• Swimming at the 2020 Summer Olympics – Men's 1500 metre freestyle
• Swimming at the 2020 Summer Olympics – Men's 200 metre backstroke
• Swimming at the 2020 Summer Olympics – Men's 200 metre butterfly
• Swimming at the 2020 Summer Olympics – Men's 200 metre freestyle
• Swimming at the 2020 Summer Olympics – Men's 400 metre freestyle