In Jain tradition, Shri Ram is regarded as a dharmic and non-violent person, so he is understood to have followed an ahimsa-based, vegetarian way of life.

In brief:

• Yes, in Jain understanding, Ram was vegetarian.
• He is seen as an ideal, righteous soul who valued daya, ahimsa, and restraint.

If you want, I can also explain how Ram is described in Jain Ramayan.