In Jain Dharma, the primary revered saints are usually understood in two ways:

1. The highest spiritual beings

• 24 Tirthankars — the supreme spiritual teachers who rediscover and teach the Jain path.
• The first Tirthankar is Lord Rishabhdev (Adinath).
• The last Tirthankar is Lord Mahavir Swami.

2. Great Jain saints and acharyas

Some of the most respected Jain saints and scholars include:

• Acharya Kundakunda
• Acharya Umaswami (Umasvati)
• Acharya Samantabhadra
• Acharya Pujyapada
• Acharya Haribhadrasuri
• Acharya Hemachandra
• Acharya Shantisagar
• Acharya Tulsi

Jain spiritual hierarchy

In Jain tradition, the main saintly ranks are:

• Sadhus / Sadhvis — monks and nuns
• Upadhyayas — teachers of scriptures
• Acharyas — heads of the monastic order

If you mean the most important saints in Jain history, then the 24 Tirthankars, especially Lord Mahavir, are considered the primary figures.