苗字ジェネレーター
AIで現実的な苗字を生成 — 様々な文化と起源にわたる姓、それぞれの意味が説明されています。キャラクター、筆名、ワールドビルディングに最適です。
入力
オプション。テーマを自分の言葉で調整してください(最大500文字)。
オフにすると、名前のリストのみになります — 意味やフレーバーテキストはなし。
名前1つあたり2クレジット。取得した名前のみクレジットが消費されます。
出力
| 名前 | 説明 |
|---|---|
| No data yet | |
ガイド
A last name carries more information than a first: it hints at where a family came from, what they once did, and sometimes who they descended from. Smith was a job. Johnson was a father. Hill was a place. This generator produces surnames across all those patterns and tells you which one you're looking at, so the name fits the character rather than just filling a slot.
Give it a heritage, a sound or a first name to pair with, and it comes back with a shortlist — each surname explained by origin and meaning.
How to use it
Length shifts the register. Short leans toward blunt, old English-style names (Ash, Vane, Crowe). Long gives you the multi-syllable, often continental surnames (Castellano, Ravensworth, Aleksandrov).
Complexity decides how far the spelling strays from what an English reader sounds out at a glance. Simple stays phonetic; elaborate brings in the accents, silent letters and consonant clusters of names that travelled.
Use extra context to aim it:
- "Italian surnames, common but not cliché"
- "goes with the first name Eleanor, English, slightly aristocratic"
- "occupational surnames, medieval feel"
- "Scandinavian, patronymic, for a fantasy novel"
Are these real surnames or invented ones?
A mix, and which you get depends on what you ask for. Request "common Irish surnames" and you'll mostly get real ones; ask for something distinctive or fantasy-flavoured and the generator will build plausible-sounding names that follow the pattern without necessarily existing. If you need a genuinely attested surname — for genealogy, say — verify it against a surname database, and treat the reported meaning as a strong guess rather than settled etymology, since the model can attach a tidy origin story to a name that never had one.
Can I use a generated surname for a character or pen name?
Yes. Surnames aren't protected by copyright, so a name the generator produces is yours to use for a character, a pseudonym or a game. The one caution is real people: a distinctive surname paired with a common first name can accidentally match a living person, so a quick search before you publish is worth the minute.
How do I get a surname that matches a first name I already have?
Put the first name in the context box and say what you're after — "surname for Priya, modern British Indian" or "pairs with Cormac, Irish." The generator will weight its choices toward names that sit naturally alongside it in rhythm and origin.
Use it from code
From 3 credits per callREST API
curl -X POST https://api.iotools.cloud/v1/tool/name-generator/last-names \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"complexity": "balanced",
"length": "medium",
"context": "",
"count": "5",
"describe": "true"
}'Swap in your own key from your account. The tool's fields are the body — no wrapper.
Ask an AI agent
Use the IOTools `name-generator__last-names` tool (Last Name Generator) on this input:
YOUR_INPUT_HEREPaste this at any agent connected to the IOTools MCP server, then add your input.