Letsie III dari Lesotho

Letsie III (nama sesungguhnya David Mohato Bereng Seeiso) (lahir 17 Juli 1963) adalah raja Lesotho. Ia menggantikan ayahnya (Moshoeshoe II) yang meninggalkan kedudukan raja pada 1990. His father was briefly restored in 1995 but soon died in a car crash in early 1996, and Letsie became king again.

He was educated in the United Kingdom at Ampleforth College. From there he went on to study at the National University of Lesotho where he graduated with a Bachelor of Arts Degree in Law. He then went on to study at Bristol University and then Cambridge University. He completed his studies in 1989, when he returned to Lesotho.

King Letsie married in 2000 to Ms. Karabo Mots'oeneng, with whom he has two daughters, Her Royal Highness Princess Mary Senate Mohato Seeiso, born 7 October, 2001 and Her Royal Highness Princess 'M'aSeeiso, born 20 November, 2004.

Letsie has little political power, and most of his duties are ceremonial.