Celebrities Born on August 21
Who was born on August 21?
Famous people born on August 21 include Usain Bolt, Robert Lewandowski, Mohammed. It is day 233 of the year, and everyone born on this date is a Leo (Fire sign).
Usain Bolt
Jamaican sprinter
Robert Lewandowski
Polish association football player (born 1988)
Mohammed
Personality
Sergey Brin
American billionaire businessman (born 1973)
William IV
King of the United Kingdom and Hanover from 1830 to 1837
Augustin-Louis Cauchy
French mathematician (1789–1857)
Stephen Hillenburg
American marine science educator and artist (1961-2018)
Wilt Chamberlain
American basketball player (1936–1999)
Leonid Andreyev
Russian playwright, author and poet (1871–1919)
John L. Hall
American physicist (born 1934)
Alizée
French pop singer
Serj Tankian
Armenian-American musician
Calendar Facts
Day of the year
#233
of 365 (non-leap)
Days until next
296
days from today
Birthday Number 3 — The Creator
The birthday number is the numerology reduction of the day (day 21 → 3). It adds a personal note to the Life Path number.
Creativity · Expression · Joy · Communication — To channel joy into depth. The integrated 3 brings not just sparkle but substance — creative work that actually moves pe…
Full numerology 3 guide →Born on August 21: Personality
People born on August 21 are performing arts genius, entertaining brilliance, natural on stage — Leo (Fire) energy carried through Birth Day Number 3. For August 21 specifically, Usain Bolt shares this birthday, the birthstone is Peridot.
Strengths
- ✓generous
- ✓confident
- ✓warm-hearted
- ✓creative communicator
Growth areas
- △prideful
- △craves validation
Lucky day
Wednesday
Lucky colour
Gold
Birth Day No.
3
Most compatible signs
Birth Day Number 3 comes from the day of the month alone. Your full Life Path number, calculated from your complete birth date, is in the Birthday Blueprint.
August 21 birthday personality FAQ
What is the personality of someone born on August 21?
People born on August 21 are performing arts genius, entertaining brilliance, natural on stage — Leo (Fire) energy carried through Birth Day Number 3. For August 21 specifically, Usain Bolt shares this birthday, the birthstone is Peridot.
What is the Birth Day Number for August 21?
August 21 reduces to Birth Day Number 3 (The Creator). This reflects the day of the month only — your full Life Path number, calculated from your complete birth date, is in the Birthday Blueprint.
Which zodiac signs are most compatible with August 21 (Leo)?
As a Leo, people born on August 21 are most compatible with Aries, Sagittarius, Gemini, Libra.
What are the lucky day and colour for August 21?
Lucky day: Wednesday. Lucky colour: Gold.
Season
Summer (Northern Hemisphere) — long days, full energy, peak sun.
Chinese Zodiac
Your Chinese zodiac animal depends on your birth year, not just the day. Find your Chinese zodiac →
August Birthstone — Peridot
Peridot is the one gemstone that glows in the dark — or rather, it glows with a warm yellowish-green light that ancient Egyptians believed was the trapped radiance of the sun. They mined it exclusively on the island of Zabargad in the Red Sea, a volcanic island that was a guarded state secret for ce…
Full Peridot guide →Is August 21 YOUR birthday?
Read the full August 21 birthday personality — zodiac, numerology, Vedic rashi and nakshatra.
August 21 birthday personalityExplore more