KSI, whose real name is Olajide Olayinka Williams Olatunji, is a renowned YouTuber, rapper, boxer, and entrepreneur. Born on June 19, 1993, in London, KSI rose to fame through gaming videos, particularly FIFA, on YouTube. Over time, he expanded into music, professional boxing, and content creation, becoming a global icon. Known for his association with the YouTube group Sidemen, KSI’s influence extends across multiple industries. Let’s dive into his detailed biography, including his family, real name, net worth, and much more.

KSI Wikipedia and Bio
Attribute | Details |
---|---|
Full Name | Olajide Olayinka Williams Olatunji |
Nickname/Stage Name | KSI |
Birthdate | June 19, 1993 |
Birthplace | London, England |
Profession | YouTuber, Boxer, Rapper, Entrepreneur |
KSI began his career by uploading gaming videos on YouTube, where his unique personality and creativity won over millions of fans. Today, he boasts multiple successful ventures, including a music career and a record-breaking boxing journey.
KSI Real Name?
The real name of KSI is Olajide Olayinka Williams Olatunji, a name deeply rooted in Nigerian culture. The name “Olajide” is Yoruba and translates to “wealth and prestige resurrected.” “Olayinka” means “surrounded by wealth and honor.” Though his real name holds significant meaning, he adopted “KSI” as his professional stage name, which stands for Knowledge, Strength, and Integrity—a moniker that originated from his Halo 3 gaming clan.
KSI Age, Height, Weight, and Physical Appearance
Attribute | Details |
---|---|
Age | 31 years (2024) |
Height | 6 feet (183 cm) |
Weight | Approximately 85 kg |
Eye Color | Dark Brown |
Hair Color | Black |

KSI maintains a fit and muscular physique, attributed to his rigorous boxing training. Standing tall at 6 feet, his strong build and charming personality have contributed to his massive fan following.
KSI Family & Relationships
KSI comes from a close-knit family. His father, Jide Olatunji, is Nigerian, while his mother, Yinka Olatunji, hails from London. He has one younger brother, Deji Olatunji, who is also a popular YouTuber and content creator. The brothers have had public disputes but often reconcile, reflecting the strength of their bond.
In terms of relationships, KSI keeps his personal life private. While there have been speculations, he rarely confirms details, choosing to focus on his career and family.
KSI Real Name vs. Stage Name
Aspect | Details |
---|---|
Real Name | Olajide Olayinka Williams Olatunji |
Stage Name | KSI |
Meaning | KSI = Knowledge, Strength, Integrity |
Origins | Real name reflects Yoruba heritage; stage name came from his gaming clan. |
KSI’s stage name represents his brand and professional identity, while his real name signifies his cultural roots. Both names have played a role in shaping his global persona.

KSI Net Worth 2024
Year | Net Worth (USD) |
---|---|
2019 | $10 million |
2020 | $15 million |
2021 | $20 million |
2022 | $25 million |
2023 | $30 million |
2024 | $35 million |
As of 2024, KSI’s net worth stands at an impressive $35 million, thanks to his successful ventures in music, YouTube, and boxing. His income streams also include brand endorsements, business investments, and his association with Sidemen.

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