| Birth Name: | Kasiano Lealamanu'a |
| Birth Date: | 1976 12, df=yes |
| Birth Place: | Wellington, New Zealand |
| Height: | 1.75m (05.74feet) |
| Weight: | 1150NaN0 |
| School: | St Patrick's College |
| Ru Position: | Prop |
| Ru Clubyears: | 1998–2003 2004 2004–2007 2007–2009 2009–2010 2010–2011 |
| Ru Proclubs: | Wellington Coventry Biarritz Dax Saracens Hawke's Bay |
| Ru Clubcaps: | 27 9 62 44 9 11 |
| Ru Clubpoints: | (5) (10) (0) (0) (0) |
| Ru Nationalyears: | 2000-2007 2008 |
| Ru Nationalcaps: | 30 1 |
| Ru Nationalpoints: | (5) (0) |
Kasiano "Kas" Lealamanua (born 15 December 1976)[1] is a Samoan rugby union player. Lealamanua plays Prop for Saracens in the Guinness Premiership. Having previously played for Biarritz and US Dax for a number of seasons in the Top 14.Lealamanua has represented Samoa a number of times, at both the 2003 and 2007 world cups. Lealamanua has also represented the Pacific Islanders 2008.