Lawrence Sephaka (born 8 August 1978 in Johannesburg, South Africa) is a South African retired rugby union footballer. His usual position was at prop, preferably loosehead.
He has in the past competed for the Golden Lions in the domestic Currie Cup competition.
Sephaka made his international debut for the Springboks on 1 December 2001 in a match against the United States at Robertson Stadium in Houston. The Springboks won the game 43 points to 20.
He next played for the Springboks in 2002, earning six international caps that year. He played against Samoa on 6 June at Loftus Versfeld in Pretoria, which South Africa won 60 points to 18.
He was subsequently included in the Springboks' 2002 Tri Nations Series squad. He played in all four of the Tri Nations games that season against Australia and the All Blacks. He earned another cap at the end of the year in November, in the 10 to 30 loss against France at Stade Vélodrome in Marseille.
In 2003 he played nine times for the Springboks, the first of which was the 29 to 25 victory over Scotland at King's Park in Durban. He played in the subsequent test against the Scottish and then in all four of the 2003 Tri Nations Series matches.
In 2005 he played in a mid-year test against France before going onto play in the Tri Nations. After the first match against Australia, he was then controversially dropped from the starting lineup for the subsequent match against the Wallabies. He however played in two tests at the end of the year, against Scotland and Wales. He was included in the Springboks' 2006 Tri Nations Series squad.