This page provides the Moola Mantra of Lord Hanuman. Moola Mantra is considered very effective among all Mantras. The Moola Mantra of the deity is most effective in Yantra Sadhana of the deity.
ॐ श्री हनुमते नमः॥
Om Shri Hanumate Namah॥
I bow to the son of the Vayu and the beloved devotee of Shri Rama.