thumb|A coin, around 200 BCE, of the Yaudheyas with depiction of Kumāra Karttikeya Kumar (; Sanskrit: कुमार) is a Hindu title, a given name, middle name, or a family name found in India, though not specific to any caste or community. It is a generic title which variously means son, boy, prince, chaste. It is the 8th most common family name in the world. It is more common in Northern India and the most common family name in Bihar, Jharkhand, Haryana, Delhi, Kerala, Tamil Nadu and Pondicherry.
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