Ritu may refer to:
- Ritu Singh (An India Author), Born in Patna in the year 1983. She did her schooling from Carmel School, Patna and graduated from Patna Women's College. She is running her own company in the name of 'I Vibgyor' based in New Delhi.
- Ritu (Indian season), a season in the Hindu calendar
- Ritu County, a county in Tibet
- Ritu (film), a Malayalam film directed by Shyamaprasad
- Ritu (music), 2nd full album (CD) of Belgian Symphonic Black Metal band Saille °2013
- Ritu Samhaaram, or Ṛtusaṃhāra, a Sanskrit epic describing the Indian seasons
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