1991 season
Atlantic (12)
- Tropical Storm AnaTropical Storm · 50 mph · Jun 29–Jul 5
- Unnamed Tropical Depression, AL02 1991Tropical Depression · 35 mph · Jul 5–Jul 7
- Hurricane BobHurricane Category 3 · 115 mph · 3 landfalls · Aug 16–Aug 29
- Unnamed Tropical Depression, AL04 1991Tropical Depression · 35 mph · Aug 24–Aug 26
- Unnamed Tropical Depression, AL05 1991Tropical Depression · 35 mph · Aug 28–Aug 31
- Hurricane ClaudetteHurricane Category 4 · 130 mph · Sep 4–Sep 14
- Tropical Storm DannyTropical Storm · 50 mph · Sep 7–Sep 11
- Tropical Storm ErikaTropical Storm · 60 mph · 1 landfall · Sep 8–Sep 12
- Tropical Storm FabianTropical Storm · 45 mph · 2 landfalls · Oct 15–Oct 17
- Unnamed Tropical Depression, AL10 1991Tropical Depression · 30 mph · Oct 24–Oct 25
- Hurricane GraceHurricane Category 2 · 105 mph · Oct 25–Oct 29
- Unnamed Hurricane, AL12 1991Hurricane Category 1 · 75 mph · 1 landfall · Oct 28–Nov 2
Eastern Pacific (16)
- Tropical Storm AndresTropical Storm · 65 mph · May 16–May 20
- Tropical Storm BlancaTropical Storm · 65 mph · Jun 14–Jun 22
- Hurricane CarlosHurricane Category 3 · 120 mph · Jun 16–Jun 27
- Hurricane DeloresHurricane Category 1 · 85 mph · Jun 22–Jun 28
- Unnamed Tropical Depression, EP05 1991Tropical Depression · 35 mph · Jun 28–Jun 30
- Hurricane EnriqueHurricane Category 1 · 75 mph · Jul 15–Jul 21
- Hurricane FefaHurricane Category 3 · 120 mph · Jul 29–Aug 8
- Hurricane GuillermoHurricane Category 1 · 80 mph · Aug 4–Aug 10
- Tropical Storm HildaTropical Storm · 65 mph · Aug 8–Aug 14
- Unnamed Tropical Depression, EP10 1991Tropical Depression · 35 mph · Sep 12–Sep 14
- Tropical Storm IgnacioTropical Storm · 65 mph · Sep 16–Sep 19
- Hurricane JimenaHurricane Category 4 · 130 mph · Sep 20–Oct 2
- Hurricane KevinHurricane Category 4 · 145 mph · Sep 25–Oct 12
- Hurricane LindaHurricane Category 3 · 120 mph · Oct 3–Oct 13
- Hurricane MartyHurricane Category 1 · 80 mph · Oct 7–Oct 18
- Hurricane NoraHurricane Category 2 · 105 mph · Nov 7–Nov 12