Lonnie Johnson Net Worth 2026#443 ENTREPRENEURS

Inventor, Engineer, Entrepreneur

$0M
Likely $360M – $450M
Age77b. October 6, 1949
Active1970s - Presen
Main sourceInventionsfirst listed
Rank in field#443of 1,182 entrepreneurs
FromAmerican
Estimate, not a disclosed figureConfidence High(9/9 fields known)Band ±10%Last reviewed 30 July 2026How we estimate →

Where the money comes from

Inventions · primaryTechnology CompaniesReal Estate

Listed in the order our sources give them; the first is treated as primary. We do not publish a percentage split — no public breakdown of this person’s income exists, and inventing one would be a guess.

Is $400M a lot? — against entrepreneurs

Lonnie Johnson$400M

Ranked #443 of 1,182 entrepreneurs we hold an estimate for.

Lonnie Johnson is a name that resonates with many, especially those with a keen interest in the world of science and technology. He is an American inventor and engineer, most known for inventing the Super Soaker water gun, which has been among the world’s top-selling toys every year since its release. Johnson’s career spans the U.S. Air Force and NASA, where he worked on high-profile projects such as the Galileo Jupiter probe and Mars Observer project. His net worth has been a topic of interest, and this article aims to project his net worth in 2024.

Lonnie Johnson was born on October 6, 1949, in Mobile, Alabama. With an early fascination for understanding how things worked, Johnson pursued a career in engineering. He attended Tuskegee University, where he earned a Bachelor’s degree in Mechanical Engineering and a Master’s degree in Nuclear Engineering.

Johnson's tenure at NASA was marked by significant achievements. He contributed to the success of the Galileo Jupiter probe and the Mars Observer project. This prestigious work further augmented his career and added to his net worth.

The Super Soaker water gun, invented by Johnson, is one of the most popular toys globally. Its invention brought a significant increase in his wealth, with sales exceeding $200 million in the first two years post-release.

Johnson is the founder of Johnson Research and Development Co., Inc., and Excellatron Solid State, LLC. Both companies have significantly contributed to his wealth. Johnson Research focuses on technological advancements, securing various contracts and partnerships. Excellatron introduces new energy technologies to the market.

With more than 100 patents to his name, Johnson's inventions span across thermodynamics, fluid dynamics, and nuclear engineering. These patents have played a significant role in his financial success.

Johnson’s net worth has seen substantial growth over the decades. From his initial earnings as an engineer to the massive success of the Super Soaker, his financial portfolio has diversified significantly.

Aside from his contributions to science and technology, Johnson has made astute investments in real estate. These investments have appreciated over time, adding to his wealth.

Lonnie Johnson is committed to giving back to society. He has generously donated to various causes, particularly those focused on education and science. His philanthropic efforts also align with his personal finance philosophy of investing in the future.

Comparing Johnson’s wealth with modern equivalents, his financial success can be likened to contemporary inventors and entrepreneurs who leverage their innovations and business acumen to achieve substantial net worths.

Johnson's financial journey underscores the significant impact that technological advancements and innovative thinking can have on personal wealth in today's economy.

A: His estimated net worth in 2024 is approximately $400 million.

A: He made his fortune through his inventions, particularly the Super Soaker, and his technology companies.

A: Besides the Super Soaker, Johnson has contributed significantly to other fields with over 100 patents to his name.

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About this figureNet worth estimates on this site are compiled from public sources and comparable transactions. They are not audited, not confirmed by the subject, and will change. This page was last reviewed on 30 July 2026. Tell us if something is wrong.