LHK may refer to:

• Larvik HK, Norwegian handball club
• The Lighthouse Keepers, Australian band
• Life Quality in the Municipality of Högsby (Livskvalitet i Högsby Kommun), Swedish political party

• Sinus tubercles
• Sinus venosus atrial septal defects
• Sinus versus arcus
• Sinutor incertus
• Sinu Valley dry forests
• Sin, Venial
• Sin verguenza
• Sin Verguenza
• Sin verguenza (telenovela)
• Sin vergüenza
• Sin Vergüenza
• Sin vergüenza (disambiguation)
• Sin vergüenza (telenovela)
• Sinw
• Sin Whee
• Sinwon Station
• Sinwu Mazu Temple
• Sinyangwe, Mark
• Sinyavskaia
• Sin Yeong-Cheol
• Sin Yeong-cheol
• Sin Yeong-Eun
• Sin Yeong-eun
• Sinyeonsu Station
• Sinyetha