2018 Roger Federer tennis season
| Full name | Roger Federer |
|---|---|
| Country | Switzerland |
| Calendar prize money | $8,629,234 |
| Singles | |
| Season record | 50–10 |
| Calendar titles | 4 |
| Year-end ranking | No. 3 |
| Ranking change from previous year | 1 |
| Grand Slam & significant results | |
| Australian Open | W |
| French Open | A |
| Wimbledon | QF |
| US Open | 4R |
| Other tournaments | |
| Tour Finals | SF |
| Doubles | |
| Season record | 0–2 |
| Year-end ranking | Unranked |
| Mixed doubles | |
| Season record | 4–0 |
← 2017 2019 → | |
Roger Federer's 2018 tennis season officially began on 30 December 2017, with the start of the Hopman Cup, and ended on 17 November 2018, with a loss in the semifinals of the ATP Finals. He finished the year ranked No. 3 in the ATP rankings. This season saw Federer improving his career best start to a season at 17–0 (21–0 if including victories at the Hopman Cup). Federer won his twentieth major at the Australian Open and extended his then-record of weeks at World No. 1 to 310 weeks in this season.