Haslam may refer to:

• Haslam (name)
• Haslam, South Australia, a town and locality in Australia
• {{Interlanguage link multi|Haslam Creek|sv}}, a place on Vancouver Island in Canada, part of the Trans Canada Trail
• Haslam Heights, a line of peaks in Graham Land, Antarctica
• Hodges Park, a park in the Ashton-on-Ribble area of Preston, Lancashire, England
• Haslam Shoals, located off the coast of Malaysia near Kuantan

• Lesser evils
• Lesser fasts
• Lesser Fiery Copper
• Lesser Flying-fox
• Lesser Free Trade Hall
• Lesser galangal
• Les Serges de Esplandian
• Lesser giant hunting ant
• Lesser Goguryeo
• Lesser Golden Plover
• Lesser golden plover
• Lesser gpl
• Lesser grain borer
• Lesser Grass-blue
• Lesser Green Emperor
• Lesser Gull
• Lesser Horde
• Lesser Hylomyscus
• Lesser included offence
• Lesser included offense
• Lesser internal cutaneous nerve
• Lesser Iron Gray Dwarf Lemur
• Lesser just minor seventh
• Lesser Jüz
• Lesser Kellet