2025–26 season · all 138 FBS fanbases · classified by Sence

The most toxic American fanbases

FBS fanbases ranked by harm and identity-based abuse per 1,000 comments: threats, hate and slurs, measured the same way as everything else on this site.

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South Florida is the most toxic American fanbase, at 36.1 harm and identity-based abuse per 1,000 comments, against a median of 21.7 across the 9 of 14 American fanbases that clear the volume floor. Tulane follows at 29 and UAB at 24.1.

The same measure runs as a season superlative: Most Toxic.

All SEC Big Ten ACC Big 12 American C-USA MAC Mountain West Pac-12 Sun Belt Independent FCS

Identity-based abuse, tag by tagCombined harm & abuse Race Gender LGBTQIA+Age Disability Physical Appearance

Rank

Team

Comments

Harm & abuse / 1k

South Florida

Bulls · American · 9–4

16,469

36.1

Tulane

Green Wave · American · 11–3

14,993

UAB

Blazers · American · 4–8

3,196

24.1

Memphis

Tigers · American · 8–5

12,047

23.5

UTSA

Roadrunners · American · 7–6

3,498

21.7

North Texas

Mean Green · American · 12–2

9,547

13.2

East Carolina

Pirates · American · 9–4

6,181

12.6

Army

Black Knights · American · 7–6

10,320

10.5

Navy

Midshipmen · American · 11–2

5,239

6.3

Below volume threshold: too few comments to rank on Harm & identity-based abuse per 1,000

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Tulsa

Golden Hurricane · American · 4–8

Owls · American · 5–7

49ers · American · 1–11

Owls · American · 5–8

Owls · American · 4–8

1,154

9.5

Harm & identity-based abuse per 1,000 ranks 9 of 14 American fanbases with enough classified comments to rate. Fan Score is positive comments per 1,000 analyzed. Toxicity counts harm and identity-based abuse per 1,000; every other rate counts that tag group's comments per 1,000, using Sence's system-tag taxonomy.