| Teamname: | Co-Optimist Rugby Club |
| Nickname: | Co-Ops |
| Founded: | 1924 |
| Url: | http://www.co-optimistrugbyclub.co.uk/ |
| Pattern B1: | _white_bow_and_collar |
| Pattern So1: | _3whitehoops |
| Leftarm1: | 273B94 |
| Body1: | 273B94 |
| Rightarm1: | 273B94 |
| Shorts1: | FFFFFF |
| Socks1: | 273B94 |
The Co-Optimist Rugby Club is an invitational rugby union club founded in 1924 by Jock Wemyss, the former Scottish test player, together with George St Claire Murray, a rugby enthusiast from the Watsonians club.
The Co-Optimists have played against national fifteen-a-side teams including, and in the 1980s. The club also has a proud record at the Hong Kong Sevens tournament, finishing as runner-up to Fiji in 1980, as a semi-finalist against Australia in 1981, and a quarter-finalist in 1986.
The club colours are a navy blue jersey with white shorts and navy and white hooped socks. The Co-Optimist badge is a lion couchant in blue on a white background.
Many well-known international players have represented the club including: Finlay Calder, Jonathan Davies, Mike Gibson, Gavin Hastings, Scott Hastings, Andy Irvine, Dickie Jeeps, John Jeffrey, Tom Kiernan, Ian McGeechan, Doddie Weir, Tony O’Reilly and Rob Wainwright.
| Year | Date | Opponent | Venue | Result | Score | Tour | |
|---|---|---|---|---|---|---|---|
| 1979 | 14 October | South African Barbarians | Mansfield Park, Hawick | Win | 24 - 4 | Report | |
| 1989 | 6 April | Soviet Students | Meggetland Sports Complex, Edinburgh | Win | 17 - 15 | Report |
| Year | Date | Opponent | Venue | Result | Score | Tour | |
|---|---|---|---|---|---|---|---|
| 1980 | 12 April |  Canada 7s | Hong Kong | Win | |||
| 1980 | 12 April |  Australia 7s | Hong Kong | Win | |||
| 1980 | 13 April |  New Zealand 7s | Hong Kong | Win | |||
| 1980 | 13 April |  Fiji 7s | Hong Kong | Loss | 8 - 12 | Report | |
| 1981 | 28 March |  Indonesia 7s | Hong Kong | Win | 22 - 6 | Report | |
| 1981 | 28 March |  Singapore 7s | Hong Kong | Win | 22 - 4 | Report | |
| 1981 | 29 March | Australia 7s | Hong Kong | Loss | 10 - 18 | Report | |
| 1986 | 5 April |  Papua New Guinea 7s | Hong Kong | Win | 26 - 0 | Report | |
| 1986 | 5 April | Canada 7s | Hong Kong | Win | 14 - 8 | Report | |
| 1986 | 6 April |  French Barbarians | Hong Kong | Loss | 10 - 22 | Report |