"Babaji" may refer to:
- Guru Nanak, the universal enlightener and founder of sikhism, often known as "Baba Nanak" or "Babaji"
- a Muslim, Sufi, Hindu or Sikh ascetic or holy man, including:
- Gaurakisora dasa Babaji, an influential Vaishnava guru from the Gaudiya tradition
- Haidakhan Babaji, a teacher who appeared in northern India and taught publicly from 1970–1984
- Hariakhan Baba, appeared in many places in northern India near the Himalayas between 1861 and 1924
- Jagannatha dasa Babaji, an acharya from the Gaudiya Vaishnava tradition.
- Mahavatar Babaji, referred to by Paramahansa Yogananda in his best-selling Autobiography of a Yogi
- Shivarudra Balayogi, Yogi and Self Realized Master, affectionately known as Babaji.
- Baba Virsa Singh Ji, founder of the Gobind Sadan community
- Baba Basant Rai of Hazaribagh, subject of the documentary Babaji, an Indian Love Story
- An honorific in the Sikh faith, given to elderly or wise men, such as:
- Baba Buddha Ji
- Baba Deep Singh Ji
- Baba Fateh Singh Ji
- A song by Supertramp
- The main character of the book Little Babaji, a reworking of Little Black Sambo
- Bābājī Faşal is a village, Northwest of Lashkar Gah in Helmand Province, Afghanistan.
- Babaji (Afghanistan) is a district in the Northeastern part of Gowr Province of Afghanistan.