| Jacob Ellison | |
| Birth Place: | Wellington, New Zealand |
| Weight: | 113kg (249lb) |
| Ru Position: | Prop forward |
| Repyears1: | 2008 |
| Ru Ntupdate: | 9 June 2008 |
| Super1: | Hurricanes |
| Super2: | Highlanders |
| Superyears1: | 2008–11 |
| Superyears2: | 2012 |
| Superapps1: | 31 |
| Superapps2: | 1 |
| Superpoints1: | 0 |
| Superpoints2: | 0 |
| Province1: | Wellington |
| Provinceyears1: | 2007–11 |
| Provinceapps1: | 45 |
| Provincepoints1: | 10 |
| Years1: | 2014– |
| Clubs1: | Fukuoka Sanix Blues |
| Apps1: | 2 |
| Points1: | 0 |
| Ru Clubupdate: | 19 January 2015 |
| School: | Mana College, Porirua |
| University: | Victoria University of Wellington |
| Birth Date: | 25 February 1985 |
| Relatives: | Vincent Bevan (grandfather) Tamati Ellison (brother) |
Jacob Ellison (born 25 February 1985 in Wellington, New Zealand) is a New Zealand rugby union footballer who plays for Fukuoka Sanix Blues in the Japanese Top League. He plays the position of prop. He has previously played for Wellington in the ITM Cup and the and in Super Rugby.
Ellison made his Wellington debut in 2007 and his Hurricanes debut a year later. After four years with the Hurricanes, he played for the Highlanders in 2012. He was delisted at the end of the season after making only one competition appearance.
Ellison is a graduate of Victoria University of Wellington. He is a member of Ngati Porou. He is the younger brother of All Black Tamati Ellison and the grandson of the All Black Vincent Bevan.