| Meaning | famous warrior |
| Origin | French, German, Italian, Portuguese, Spanish |
| Gender | gender neutral |
| Opposite gender | Lou |
| Popularity | Moderate |
| Length | 3 |
| Syllables | 1 |
| Syllabification | Lou |
Short, sweet, and surprisingly powerful, Lou packs tremendous punch into just three letters. This minimalist gem proves that impact has nothing to do with length. Lou is effortlessly cool—the kind of name that needs no introduction, no explanation, no embellishment. It's got vintage swagger with thoroughly modern sensibility, feeling equally at home in 1950s diners and contemporary coffee shops. The beauty of Lou lies in its simplicity and versatility. It works standalone or as a nickname, suits quiet bookworms and boisterous athletes alike, ages beautifully from cradle to retirement. Lou is unpretentious—there's no airs, no fussiness, just straightforward, honest naming. It's the jeans-and-white-tee of baby names: classic, functional, unexpectedly stylish. Parents choosing Lou often value authenticity and substance over showiness. They appreciate that their son won't spend his life spelling or explaining his name. Lou has that rare quality of being memorable precisely because it's understated. It's confident without ego, strong without aggression, friendly without being overly familiar. In a world of increasingly elaborate names, Lou stands out by standing firm in its simplicity. Sometimes the most powerful choice is the one that doesn't try too hard—Lou embodies this perfectly.
| Louis |
| Louie |
| L |
| Lulu |
| Lou Reed | American musician |
| Lou Gehrig | American baseball player |
| Lou Williams | American basketball player |
| Lou Ferrigno | American actor and bodybuilder |
| Lou Costello | American comedian, half of Abbott and Costello |
| Lou Diamond Phillips | American actor |
| Lou Whitaker | American baseball player |
| Lou Dobbs | American TV anchor and commentator |
| Lou Taylor Pucci | American actor |
| Lou Bega | German musician |
| Lou Holtz | American football coach and analyst |
| Lou Brock | American baseball player |
| Lou Gramm | American singer, Foreigner's lead vocalist |
| Lou Rawls | American singer |
| Lou Albano | American professional wrestler and manager |
| Lou Christie | American singer-songwriter |
| Lou Carpenter | Australian actor |
| Lou Harrison | American composer |
| Lou Donaldson | American jazz saxophonist |
| Lou Ferrante | American author and TV personality |
| Lou Bloom | from the movie "Nightcrawler" |
| Lou Avery | from the TV series "Mad Men" |
| Lou Wheeler | from the book "The Stand" by Stephen King |
| Lou Perkins | from the movie "Field of Dreams" |
| Lou Hockhauser | from the TV series "Veronica Mars" |
| Lou Dorchen | from the movie "Hot Tub Time Machine" |
| Lou Strickland | from the TV series "Home Improvement" |
| Lou Belcher | from the movie "Say Anything.." |
| Lou Rosenthal | from the TV series "Rescue Me" |
| Lou Lubin | from the movie "Step Brothers" |
| Lou Berry | from the movie "Bringing Up Baby" |
| Lou Grant | from the TV series "Lou Grant" |
| Lou Cifrese | from the movie "Black Hawk Down" |
| Lou Solverson | from the TV series "Fargo" |
| Lou Ramsbottom | from the movie "Hear My Song" |
| Lou Slater | from the TV series "Cold Case" |
| Lou | from the movie "Cars" |
| Lou Collins | from the TV series "Friday Night Lights" |
| Lou the Goanna | from the movie "FernGully - The Last Rainforest" |