Do puppies get confused by nicknames?

Dogs are quite capable of learning multiple words that all refer to themselves, much like they learn multiple command words, so a formal name plus a regular nickname rarely causes real confusion.

If a household uses a completely different nickname every day with no consistency at all, a young puppy may take longer to build a reliable name response simply because nothing is repeated often enough to stick.

Settling on one formal name and one or two affectionate nicknames used regularly, rather than trying to limit the household to a single word forever, reflects how most families naturally talk to their dogs anyway, and puppies handle this variety without much trouble as long as each version is used reasonably often.

If recall training is a priority, it can help to pick one specific word, whether the formal name or a nickname, as the dedicated recall cue used consistently during training sessions, while allowing more casual variety the rest of the time. This gives a puppy one very reliable trigger for the specific skill that matters most for safety.

Watch your own puppy's actual response rather than assuming confusion from general advice: a puppy that reliably looks up, wags, or comes over for any of its two or three regular names is clearly not confused, regardless of what a stricter single name approach might suggest. Trust what you actually observe in your own puppy over a general rule that may not apply to every dog equally.