Britain’s Prince Harry is facing legal proceedings filed by the African HIV and AIDS charity he co-founded, Sentebale, over allegations of “reputational harm,” in a dispute that has escalated into a High Court case in London. The Duke of Sussex has “categorically” rejected the claims, according to a spokesperson.

The legal action, confirmed in court filings, names Prince Harry and former trustee Mark Dyer as defendants in a “Media and Communication – Part 7 Claim – Defamation – libel and slander” case. Sentebale, which Harry co-founded in 2006 in honour of his late mother Princess Diana, alleges that a coordinated media campaign caused operational disruption and damage to its reputation and leadership.

Harry helped establish the organisation to support young people living with HIV and AIDS in Lesotho and later Botswana. However, he stepped down from his role last year amid a reported governance dispute involving the charity’s leadership and trustees. The organisation has since been embroiled in internal conflict that has drawn public and regulatory scrutiny.

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A spokesperson for Prince Harry and Mark Dyer strongly rejected the allegations, calling them “offensive and damaging,” and criticised the use of charitable funds for legal proceedings. The statement further argued that such resources should instead be directed toward the communities the charity was created to serve.

The dispute follows a wider period of turbulence at Sentebale. Earlier findings by the UK Charity Commission cited “mismanagement” and a lack of clarity in governance structures, while also stating there was no evidence of widespread bullying or harassment within the organisation. The regulator also criticised all parties involved for allowing internal disagreements to become public, noting that the fallout had significantly harmed the charity’s reputation.

The case adds further strain to Prince Harry’s long-standing relationship with the organisation, which was originally named “Sentebale,” meaning “forget me not” in the Sesotho language. The charity, established as a tribute to Princess Diana, has now become the centre of a high-profile legal and reputational battle involving its founders and current leadership.

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