| Boela Serfontein | |
| Fullname: | Willem Jacob Serfontein |
| Birth Date: | 16 September 1988 |
| Birth Place: | Port Elizabeth, South Africa |
| Weight: | 1110NaN0 |
| School: | Framesby High School |
| University: | UNISA |
| Relatives: | Jan Serfontein (brother) Boelie Serfontein (father) Jack Slater (grandfather) |
| Position: | Lock |
| Youthyears1: | 2005–2006 |
| Years1: | 2008–2009 |
| Apps1: | 8 |
| Points1: | 5 |
| Years2: | 2010–2013 |
| Apps2: | 62 |
| Points2: | 5 |
| Years3: | 2014 |
| Apps3: | 10 |
| Points3: | 5 |
| Years4: | 2014–2016 |
| Apps4: | 3 |
| Points4: | 0 |
| Years5: | 2015–2016 |
| Apps5: | 4 |
| Points5: | 0 |
| Years6: | 2015–2017 |
| Apps6: | 20 |
| Points6: | 5 |
| Years7: | 2016 |
| Apps7: | 1 |
| Points7: | 0 |
| Repyears1: | 2012 |
| Repteam1: | South African Barbarians (North) |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
| Clubupdate: | 3 June 2018 |
| Repupdate: | 22 November 2013 |
Willem Jacob 'Boela' Serfontein (born 16 September 1988) is a South African rugby union footballer who last played for the in Currie Cup rugby. He plays mostly as a lock.
He represents in the Currie Cup and Vodacom Cup having previously played for the, the and .
After spending four seasons with the – making 62 appearances - he joined for the 2014 season.[1]
He made his Super Rugby debut for the in Bloemfontein against the on 10 May 2014, coming on midway through the second half.
In August 2014, it was announced that he would make join the from 2015 onwards.[2]
He is the older brother of and centre Jan Serfontein.[3] His father Boelie was also a provincial rugby player, playing as a number eight for, and his grandfather was Jack Slater, a former Springbok winger.[4]