| Clubname: | Arzachena |
| Upright: | 0.8 |
| Fullname: | Arzachena Academy Costa Smeralda |
| Ground: | Stadio Biagio Pirina, Arzachena, Italy |
| Capacity: | 3,100 |
| Chairman: | Gabriele Volpi |
| Manager: | Mauro Giorico |
| League: | Serie D/G |
| Season: | 2018–19 |
| Position: | Serie C, Liquidated |
| Website: | http://www.arzachenacalcio.it/ |
| Pattern La1: | _arzachena1819h |
| Pattern B1: | _arzachena1819h |
| Pattern Ra1: | _arzachena1819h |
| Leftarm1: | 50C878 |
| Body1: | FFFFFF |
| Rightarm1: | 50C878 |
| Shorts1: | 50C878 |
| Socks1: | FFFFFF |
| Pattern B2: | _arzachena1819a |
| Leftarm2: | 000000 |
| Body2: | 000000 |
| Rightarm2: | 000000 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
Arzachena Academy Costa Smeralda is an Italian association football club located in Arzachena, Sardinia. The club currently play in Serie D, the fourth tier of Italian football.
The club was founded in 1964.
In the season 2002–2003 the club was promoted to Serie D and won promotion to Serie C as Group G champions in the 2016–17 Serie D season.
The club was liquidated in 2019 due to financial issues, and refounded that same year under the ownership of entrepreneur and Spezia majority stakeholder Gabriele Volpi, restarting from Serie D.
The colors of the club are white and green.