Ottosson may refer to:

• Anna Ottosson (born 1976), Swedish alpine skier, 2006 Winter Olympics bronze medallist
• Jan Ottosson (born 1960), former Swedish Cross-country skier
• Kristofer Ottosson (born 1976), Swedish former professional ice hockey player
• Paul N. J. Ottosson (born 1966), Swedish sound engineer
• Sebastian Ottosson (born 1992), Swedish professional ice hockey player
• Ulf Ottosson (born 1968), retired Swedish football striker

• Giant animals (disambiguation)
• Giant Antarctic Octopus
• Giant Arabian Deathstalker
• Giant Armored Tree-rat
• Giant Armored Tree Rat
• Giant Asian mantis
• Giant Asian Mantis
• Giant Asian Pond Turtle
• Giant Ass Publishing
• Giant Atlantic Tree Rat
• GIANT-Australian Institute of Sport
• Giant Baboon Spider
• Giant baler
• Giant Bamboo
• Giant Bamboos
• Giant bamboos
• Giant Bamburanta
• Giant Barnacle
• Giant barnacle
• Giant barrel sponge
• Giant basal spicule
• Giant bat
• Giant bean
• Giant Beaver
• Giant Bible of Mainz