RL

 Yes — “Rongolal” (or “Rangalal”) is used in some Bengali devotional contexts as an affectionate name for Krishna.

• In Bengali, “Rong/Ranga” can refer to color, beauty, or playful charm.
• “Lal” is a loving suffix meaning “beloved” or “dear boy.”
• Together, Rongolal conveys something like “the charming, colorful beloved”, which devotees associate with Krishna’s playful, attractive nature (especially as child Krishna or youthful lover).

However:

• It’s not a classical Sanskrit name of Krishna like Govinda, Gopal, Madhava, Shyam, etc.
• It’s regional/poetic, mostly heard in Bengali kirtans, folk songs, or devotional speech.

If you saw it in a specific song, temple, or text, tell me — I can explain that exact usage.