Agastyasarvasvamantrarja (अगस्त्यसर्वस्वमन्त्रराज, IAST: Agastyasarvasvamantrārāja) is an Sanskrit-origin Hindu boy-name meaning “Recipient of Agastya's greatest gift, the king of mantras”. This name celebrates the Lord as the one to whom the sage Agastya bestowed his most treasured possession — the supreme mantra, known as the Aditya Hridayam or the paramount divine formula — making the Lord the sovereign recipient of sacred wisdom.

Meaning, etymology & significance

When Rama was weary during the battle at Lanka, the sage Agastya appeared and gifted him the 'sarvasva' — his entire spiritual treasure — in the form of the supreme mantra (mantrārāja), which is traditionally identified as the Aditya Hridayam. This act represents the transmission of the highest sacred knowledge from the greatest of sages directly to the Lord, an inversion that beautifully illustrates how devotion flows between the divine and the sage. The compound 'sarvasva' (all one's wealth, one's everything) makes the gift all the more poignant and significant.

This epithet of Vishnu as Rama is too descriptive a compound for use as a personal given name, but it is a revered address in devotional recitation. It is particularly meaningful to those who recite the Aditya Hridayam as a daily spiritual practice.

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Scriptural source

Agastyasarvasvamantrarja appears in the Vishnu Sahasranama, among the sacred names of Vishnu.

Astrology — nakshatra, rashi & numerology

By the standard Vedic correspondence between a name’s first syllable and the lunar mansion, Agastyasarvasvamantrarja aligns with the Krittika nakshatra, under the Mesha rashi (Moon sign). Its Chaldean name-number is 4.