Answer

A very short and sacred Jain mantra is:

Namo Arihantanam

Another short one is:

Namo Siddhanam

Explanation

• Namo Arihantanam means: I bow to the Arihants, the spiritually awakened beings.
• Namo Siddhanam means: I bow to the Siddhas, the liberated souls.

Spiritual Understanding

These mantras are simple, pure, and deeply respectful. They help the mind become शांत, श्रद्धापूर्ण, and focused on liberation and inner purity.

Takeaway

If you want the shortest daily Jain mantra, remember:

Namo Arihantanam