Indica is the Latinized title of Abū Rayhān al-Bīrūnī's Ta'rikh al-Hind (Chronicles of India).

Indica is a long-grain variety of rice (Oryza sativa subsp. indica), as opposed to the short-grain Japonica (O. sativa subsp. japonica).

Indica was a hardcore, alternative metal band from Midsomer Norton (UK), who were signed to Sugar Shack records.

Indica Gallery was a London art gallery in the 1960s. Set up by John Dunbar, Barry Miles and Peter Asher, it was the place where John Lennon and Yoko Ono met.

Indica is a electro-psychedellic band from Argentina

Indica is a pop/rock band from Finland.

Indica Records is a Quebec record label.

Indica is a solo project from Eliad Grundland, the man behind the Israeli psychedelic trance group Space Buddha.

Indica (or indicum) means "of India", or "Indian", in Latin and is applied to things connected with India or South Asia:

The specific epithets indica and indicum are used in binomial nomenclature to indicate species (or subspecies) of plants, animals etc thought to originate in, or associated with, India.

Examples of such species are Mangifera indica (mango), Juniperus indica (black juniper), Azadirachta indica (neem), and Lagerstroemia indica (crape myrtle).

Another example of a botanic subspecies is Cannabis sativa subsp. indica (a type of marijuana, considered to be a separate species, Cannabis indica, by some authorities).

Tata Indica is the name of a car sold by the Indian company TATA Motors. It is sold in the UK as CityRover.

Indica or Indika is the title of Megasthenes' account of his travels in South Asia as ambassador in Chandragupta Maurya's court.

Indica is the title of Arrian's account of Nearchus' voyage from India after Alexander the Great's conquest.