Each form of Lord Ganesha is associated with specific mantras that devotees chant to invoke the divine blessings and qualities represented by that particular form. Here are some of the prominent forms of Lord Ganesha along with their respective mantras:

1. Bala Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
2. Taruna Ganapati: Om Vakratundaya Hum.
3. Bhakti Ganapati: Om Gum Ganapataye Namaha.
4. Vira Ganapati: Om Vira Ganapataye Namaha.
5. Shakti Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
6. Dvija Ganapati: Om Sri Gajananaya Namaha.
7. Siddhi Ganapati: Om Ganadhyakshaya Namaha.
8. Ucchista Ganapati: Om Gam Hleem Glaum Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
9. Rinamochana Ganapati: Om Gum Ganapataye Namaha.
10. Durga Ganapati: Om Shri Maha Ganapataye Namaha.
11. Sankatahara Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
12. Dwijaditya Ganapati: Om Ganadhyakshaya Namaha.
13. Trimukha Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
14. Srishti Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
15. Sthanu Ganapati: Om Gam Ganapataye Namaha.
16. Bhaktanugraha Ganapati: Om Gum Ganapataye Namaha.
17. Kshipra Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.
18. Haridra Ganapati: Om Shreem Hreem Kleem Glaum Gam Ganapataye Vara Varada Sarva Janam Me Vasha Manaya Svaha.

These mantras are chanted with devotion and reverence to connect with the specific form of Lord Ganesha and seek his blessings for various aspects of life.