Keith Lamar Johnson (May 17, 1972 – September 30, 2022), who went by the stage name Wonderboy, was an American gospel singer-songwriter.
In 1998, he started his solo music career with the release of Through the Storm, published by World Wide Gospel Records. He released fourteen albums, over the course of thirteen years, with World Wide Gospel Records, Worldwide Records, Verity Records, Central South Records, and Blacksmoke Records. Eleven albums charted on the Billboard magazine Gospel Albums chart with other chartings on the Independent Albums and Heatseekers Albums charts.
Johnson died on September 30, 2022, aged 50, after being found unresponsive at his home in Atlanta, Georgia.