Sanka is a brand of instant decaffeinated coffee

It may also refer to:

• Sanka, Lesser Poland Voivodeship, a village in the administrative district of Gmina Krzeszowice, within Kraków County, Lesser Poland Voivodeship, in southern Poland
• Sanka, Hooghly, a village in West Bengal, India
• Sanka (film), a 1972 Japanese film by Kaneto Shindō
• Sanka, a fictional military aircraft model in the Sky Crawlers book series

• Sankharavam (disambiguation)
• Shankha, conch in Indian religions
• Sankha Lipi, an undeciphered script of India
• Sankham, a 2009 Indian film
• Shankha Ghosh (1932–2021), an Indian poet
• Sankha Kshetra, a holy region of Odisha, India