Could there be life inside stars?

No—not as organic life.

Inside stars, temperatures are so extreme that atoms are stripped apart into plasma, so chemistry, DNA, and proteins can’t exist. That rules out life like anything on Earth.

There are a few speculative ideas about non-chemical “life” in exotic physics, such as self-replicating structures based on nuclear forces, but those are theoretical only. There’s no observational evidence for life inside stars.

Bottom line: stars are considered hostile to known life, even though they make a fascinating setting for science fiction.