Yes—Lightroom Classic has a built-in way to automate at least part of this through Metadata Presets. In the Import dialog, you can apply a metadata preset to all incoming images, which is useful for batch-filling IPTC-style fields such as copyright and contact information. You can create and save your own presets from the metadata preset dialog and reuse them on future imports.

Based on the answers provided, Lightroom’s built-in preset workflow is the confirmed option. It helps with repeated metadata that is the same across many images, though image-specific captions or keywords may still need manual editing or later batch updates.