| David Johnston | |
| Birth Date: | 1994 2, df=yes |
| Birth Place: | Clonmel, Ireland |
| Weight: | 90kg (200lb) |
| Ru Position: | Fullback, Centre, Fly-half |
| Amatyears1: | 20??–2018 |
| Amatteam1: | UL Bohemians |
| Years1: | 2015–2018 |
| Clubs1: | Munster |
| Apps1: | 10 |
| Points1: | 0 |
| Years2: | 2018– |
| Clubs2: | Ealing |
| Apps2: | 37 |
| Points2: | 66 |
| Ru Clubupdate: | 20 June 2021 |
| Relatives: | Bill Johnston (brother) |
| School: | Rockwell College |
David Johnston (born 28 February 1994) is an Irish rugby union player, currently playing for English side Ealing Trailfinders in the RFU Championship. He plays primarily as a fullback, but can also play at fly-half or centre.
Johnston made his debut for Munster on 5 September 2015, starting in the opening game of the 2015–16 Pro12 against Benetton.[1] In January 2016, it was announced that Johnston had signed a contract with Munster that will see him join the senior squad from the 2016–17 season, firstly on a development contract and then, from 2017–18, on a full contract.[2] Johnston was nominated for the 2016 Munster Academy Player of the Year Award.[3]
English RFU Championship side Ealing Trailfinders announced that Johnston would be joining them on a one-year contract for the 2018–19 season in April 2018.[4] Johnston made 16 appearances for Ealing in his first season with the club, scoring 5 tries.[5]