- 01 January- New Year Day
- 01 January- January Month
- 06 January- Epiphany
- 06 January- Three Kings Day
- 06 January- Guru Gobind Singh Jayanti
- 10 January- Putrada Ekadashi
- 10 January- Vaikuntha Ekadashi
- 12 January- Swami Vivekananda Jayanti
- 12 January- National Youth Day
- 12 January- National Pharmacist Day
- 13 January- Lohri
- 14 January- Makar Sankranti
- 14 January- Pongal
- 15 January- Indian Army Day
- 17 January- Lambodara Sankashti Chaturthi
- 19 January- World Religion Day
- 19 January- National Popcorn Day
- 20 January- Martin Luther King Jr. Day
- 21 January- Kalashtami
- 21 January- National Hugging day
- 23 January- National Pie Day
- 23 January- Subhash Chandra Bose Jayanti
- 24 January- National Girl Child Day
- 24 January- World Education Day
- 25 January- Shattila Ekadashi
- 26 January- Republic Day
- 26 January- Australia Day
- 28 January- Data Privacy Day
- 28 January- Lala Lajpat Rai Jayanti
- 29 January- Mauni Amavasya
- 29 January- Chinese New Year
- 30 January- Gandhi Punyatithi