The Lannoo surname
In the 2010 U.S. Census, 108 people carried this name — #151,532 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is up 2% from 106 in 2000.
In Belgium’s population register
At least 1,097 people named Lannoo live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in West Flanders.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 124 people named Lannoo.
12 of them were born outside France. Those born in France came from 10 départements, most often Nord.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Argentina’s national register
At least 73 people named Lannoo live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Who carried it
People named Lannoo,
with a public archive behind them.
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Michel Lannoo 1942– · physicist
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Pol Lannoo 1952– · sport cyclist
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Marie Lannoo 1954– · artist
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Michael J. Lannoo 1957– · zoologist
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Vincent Lannoo 1970– · screenwriter
Wikidata (CC0).
Nearby in the index
Surnames next to Lannoo.
- Lann 760 · U.S. census
- Lanners 503 · U.S. census
- Lannes 166 · U.S. census
- Lanni 1,311 · U.S. census
- Lanno 170 · U.S. census
- Lannon 2,427 · U.S. census
- Lannoye 256 · U.S. census
- Lanoix 133 · U.S. census
- Lanore 228 · U.S. census
- Lanos 140 · U.S. census
- Lanoue 1,714 · U.S. census
- Lanoux 288 · U.S. census
When the index is not enough
This page says where Lannoo is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.