Here are simple Jain boy names starting with “R” connected to Jinvani / Jain tradition:

1. ऋषभ / Rishabh

- From Bhagwan Rishabhdev (Ādināth), 1st Tirthankar - Meaning: “best, superior, exalted;” also name of a bull (his lāñchhan)

1. ऋषभनाथ / Rishabhnath (or Rishabhanath)

- Direct name of the 1st Tirthankar - Meaning: “Lord Rishabh,” the first Jin, source of Dharma in this era

1. ऋषभदेव / Rishabhdev

- Another very common form of his name - Meaning: “Divine Rishabh,” same Tirthankar, very auspicious for a boy

1. ऋषभकुमार / Rishabhkumar

- Formed from Rishabh + kumar (prince/son) - Meaning: “Son of Rishabh / noble like Rishabh”

1. ऋष‍भराज / Rishabhraj

- Rishabh + raj (king) - Meaning: “Kingly Rishabh,” i.e., one who rules with dharma and greatness

All these are Jain-friendly, directly rooted in the name of the first Tirthankar and widely accepted in both Digambar and Shvetambar families (pronunciation and spelling may vary a little).

You can see an example of “R: Rishabhanath” as a Jain boy name on JainKnowledge here: