There is no reliable way to identify a real person as a bodhisattva simply by personality or appearance. In Buddhist art, however, bodhisattvas are identified through established iconographic features such as crowns, jewelry, hand gestures, colors, vehicles, implements, and companion figures.

Bodhisattva appearance in art
Unlike the historical Buddha, who is often shown in monastic robes with simple ornaments, many Mahāyāna bodhisattvas appear in princely clothing, crowns, necklaces, and elaborate jewelry.
This visual language symbolizes their active presence in the world rather than a universal dress code for all bodhisattvas.
Recognizing specific figures
Avalokiteśvara may carry a lotus or appear with many arms and eyes in some forms. Mañjuśrī is often associated with a sword of wisdom and a scripture. Kṣitigarbha may appear as a monk carrying a staff and jewel.
Attributes vary by region, period, and iconographic form, so one symbol should not be interpreted in isolation.
Mudras and posture
Hand gestures, or mudrās, communicate teaching, generosity, protection, meditation, or other meanings. Seated or standing postures also contribute to identification.
Tibetan thangkas, Chinese sculpture, Japanese images, and Southeast Asian art can use different conventions for related figures.
Can you identify a living bodhisattva?
In ordinary conversation, Buddhists may praise someone as “bodhisattva-like” because of compassion. Some traditions also regard particular teachers as manifestations of bodhisattvas.
Such religious claims depend on tradition and should not be treated as an objective test of a person’s spiritual attainment.
Best use of the question
For art, identify a bodhisattva through iconographic attributes and context. For living people, Buddhism does not provide a simple visual checklist proving bodhisattva status.