Roald is a Norwegian given name. It is the modern form of the Old Norse name Hróðvaldr or Hróaldr, composed of the elements hróðr "fame" and valdr "ruler, leader". Persons named Roald include:

• Roald Aas (1928–2012), Norwegian Olympic speed skater and bicycle racer
• Roald Als (born 1948), Danish political cartoonist
• Roald Amundsen (1872–1928), Norwegian polar explorer
• Roald Amundsen (footballer) (1913–1985), Norwegian professional footballer
• Roald Åsmund Bye (1928–2003), Norwegian politician
• Roald Bradstock (born 1962), English Olympic javelin thrower
• Roald Dahl (1916–1990), British author and poet
• Roald Dysthe (1903–1997), Norwegian businessman and acquitted Nazi collaborator
• Roald G. Bergsaker (born 1942), Norwegian sports official and politician
• Roald H. Fryxell (1934–1974), American geologist and archaeologist
• Roald Halvorsen (1914–2010), Norwegian typographer, Communist Party politician, and World War II resistance member
• Roald Aga Haug (born 1972), Norwegian politician
• Roald Hoffmann (born 1937), American theoretical chemist
• Roald Jensen (1943–1987), Norwegian professional footballer
• Roald Larsen (1898–1959), Norwegian Olympic speed skater
• Roald (Løgmaður) (fl. 1450), First Minister of the Faroe Islands
• Roald Øyen (born 1940), Norwegian television personality and host
• Roald Poulsen (born 1950), Danish football manager
• Roald Sagdeev (born 1932), Russian physicist
• Roald Storsletten (1915–1991), Norwegian journalist and newspaper editor
• Roald van Hout (born 1988), Netherlands professional footballer
• Roald van Noort (born 1960), Netherlands Olympic water polo player
• Roald, A fictional penguin villager from the video game series Animal Crossing

Surname

• Arnfinn Severin Roald (1914–1983), Norwegian politician