Key - Shading by Saffir Simpson Hurricane Scale
| Tropical Depression or Unknown or Missing | Tropical Storm | Hurricane Cat 1 | Cat 2 | Cat 3 | Cat 4 | Cat 5 | 
1973
Storms are listed in the basin where they reached their maximum intensity. Asterisks denote landfall on a major island or continent.
| Northern Atlantic | Eastern Pacific | Western Pacific | Northern Indian | Southern Indian | Southern Pacific | 
| AL01 Apr 18-21 | AVA Jun 2-12 | WILDA
* Jun 28-Jul 6 | AL03
* May 26-28 | ARIANE Nov 26-Dec 2 | BEBE
* Oct 19-29 | 
| UNNAMED May 2-5 | BERNICE
* Jun 22-23 | ANITA
* Jul 3-10 | UNNAMED Jun 6-12 | ARIANE Dec 1-5 | COLLETTE Nov 2-3 | 
| AL05 Jun 24-26 | CLAUDIA
* Jun 26-30 | BILLIE
* Jul 11-20 | UNNAMED
* Jul 6-9 | BEATRICE:IVY Dec 7-25 | UNNAMED Nov 26-Dec 1 | 
| ALICE
* Jul 1-7 | DOREEN Jul 18-Aug 3 | DOT
* Jul 11-21 | UNNAMED
* Jul 7-8 | CHARLOTTE
* Jan 2-12 | DIANA Dec 6-18 | 
| UNNAMED Jul 19-21 | EMILY Jul 21-28 | CLARA Jul 12-17 | UNNAMED
* Jul 12-14 | JEAN Jan 10-17 | UNNAMED Dec 31-Jan 8 | 
| ALFA Jul 30-Aug 2 | FLORENCE Jul 25-30 | ELLEN
* Jul 16-29 | AL03
* Jul 19-22 | DOROTHEE
* Jan 10-16 | UNNAMED Dec 31-Jan 2 | 
| UNNAMED Aug 9-11 | GLENDA Jul 30-Aug 5 | FRAN Jul 23-31 | UNNAMED
* Aug 14-18 | EMMANUELLE Jan 17-21 | FELICITY Jan 14-18 | 
| BRENDA
* Aug 18-22 | HEATHER Aug 31-Sep 1 | GEORGIA
* Aug 5-15 | AL02
* Aug 26-31 | FAUSTINE
* Jan 17-22 | ADELINE
* Jan 27-31 | 
| CHRISTINE
* Aug 25-Sep 4 | IRAH
* Sep 22-27 | IRIS
* Aug 6-21 | UNNAMED
* Sep 2-5 | KERRY
* Jan 19-24 | GLENDA Jan 29-Feb 1 | 
| DELIA
* Sep 1-7 | JENNIFER
* Sep 23-27 | HOPE Aug 8-13 | AL06
* Oct 6-12 | GERTRUDE:LEILA Jan 21-Feb 3 | UNNAMED Jan 31-Feb 5 | 
| UNNAMED
* Sep 6-12 | KATHERINE Sep 29-Oct 9 | UNNAMED Aug 10-18 | UNNAMED Oct 25-27 | HORTENSE
* Jan 24-Feb 5 | ELENORE Jan 31-Feb 7 | 
| ELLEN Sep 14-23 | LILLIAN Oct 5-9 | JOAN
* Aug 17-23 | UNNAMED
* Nov 3-9 | MAUD Jan 28-31 | GLENDA Jan 31-Feb 1 | 
| UNNAMED
* Sep 24-26 | KATE
* Aug 20-27 | UNNAMED
* Nov 14-18 | JESSY Feb 14-27 | KIRSTY Feb 21-Mar 2 | |
| FRAN Oct 8-13 | JOAN Aug 20-21 | UNNAMED
* Dec 5-9 | ISIS
* Feb 14-19 | HENRIETTA Feb 28-Mar 2 | |
| UNNAMED Oct 10-12 | UNNAMED Aug 24-27 | UNNAMED
* Dec 13-15 | KITTY Feb 25-Mar 5 | HENRIETTA Mar 2-7 | |
| GILDA
* Oct 16-30 | AL03
* Aug 28-Sep 3 | UNNAMED Dec 25-27 | JESSY Feb 25-Mar 2 | BELLA
* Mar 19-25 | |
| AL02
* Nov 17-18 | LOUISE
* Aug 30-Sep 9 | LEAH
* Feb 26-Mar 11 | JULIETTE Apr 2-5 | ||
| MARGE
* Sep 10-16 | MADGE
* Feb 28-Mar 18 | JULIETTE Apr 4-6 | |||
| UNNAMED Sep 20-23 | LEAH
* Mar 1-7 | ||||
| NORA
* Oct 1-11 | LYDIE Mar 4-16 | ||||
| OPAL
* Oct 3-12 | LEAH Mar 7-8 | ||||
| PATSY
* Oct 5-15 | LEAH Mar 9-10 | ||||
| RUTH
* Oct 10-21 | NELLIE Mar 13-23 | ||||
| UNNAMED Oct 27-Nov 1 | PAULA Mar 25-Apr 1 | ||||
| SARAH
* Nov 9-12 | ROMA Apr 18-23 | ||||
| THELMA
* Nov 13-18 | FLORES
* Apr 26-30 | ||||
| VERA
* Nov 16-27 | MARCELLE
* Apr 28-May 9 | ||||
| AL03
* Dec 15-18 | UNNAMED May 1-6 | ||||
| AL04 Dec 21-27 | |||||
| UNNAMED
* Dec 24-27 |