The 2018 WNBA season was the 19th season for the Indiana Fever of the Women's National Basketball Association. The Fever began play on May 19, 2018.^[1]

The Fever started the season poorly by going 0–5 in May. Fortunes did not improve in June and the team was 1–10. The only win was 96–64 against the Atlanta Dream. However, June did include some close losses. The Fever lost to the New York Liberty 78–75 after the Liberty made a 3-pointer with 16.1 seconds left. On the 12th, the Fever lost in overtime against the Las Vegas Aces. In July, the Fever were 2–8, with the two wins coming against the perennial play-off contenders Minnesota Lynx and Los Angeles Sparks. Both wins were away from home, which meant the Fever were 0–4 at home. In the final month of the season, the Fever were 3–5. They finished with a WNBA worst 6–28 final record, which was also their worst record in franchise history. Their misfortunes continued in the offseason as they lost in the draft lottery in spite of having the best odds, ending with the third selection for the 2019 WNBA draft.