How to say "hamburger" in Japanese

• ハンバーガーCommon
  nounThe full loanword for the sandwich itself — a patty served in a bun. Use it when ordering or talking about a hamburger; it names the whole item, not the patty alone.
  あの店みせはハンバーガー店てんです。↗

  That shop is a hamburger shop.
• バーガーCommon
  nounAn abbreviation of ハンバーガー with the same meaning. It is the clipped form you typically hear in fast-food settings and in the names of specific burgers.

Use 「ハンバーガー」, the full word, for the sandwich itself; 「バーガー」 is its common abbreviation, meaning the same food, with a clipped feel that suits fast-food contexts and the names of specific burgers.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• ハンバーガーhamburger (in a bun)
• バーガーburger