| Brian McGrattan | |
| Birth Date: | 31 December 1959 |
| Birth Place: | Wellington, New Zealand |
| Ru Position: | Prop |
| Height: | 1.90NaN0 |
| Weight: | 105kg (231lb) |
| Ru Nationalcaps: | 6 |
| Ru Nationalpoints: | (0) |
| Ru Nationalyears: | 1983–86 |
| Ru Province: | Wellington Waikato |
| Ru Provinceyears: | 1981–86, 88–91 1987 |
| Ru Provincecaps: | 105 2 |
| School: | Rongotai College |
Brian McGrattan (born 31 December 1959) is a former New Zealand rugby union player. A prop, McGrattan represented Wellington and, briefly, Waikato at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1983 to 1986. He played 23 matches for the All Blacks including six internationals.[1]