| Club: | Rayo Vallecano |
| Season: | 1993–94 |
| Ownertitle: | Owner |
| Owner: | José María Ruiz-Mateos |
| Chrtitle: | President |
| Chairman: | José María Ruiz-Mateos (until 11 January 1994) Teresa Rivero |
| Mgrtitle: | Head coach |
| Manager: | Felines (until 31 October 1993) Fernando Zambrano (until 5 February 1994) David Vidal |
| Stadium: | Campo Vallecas |
| League: | La Liga |
| League Result: | 17th (relegated to Segunda Division) |
| Cup1: | Copa del Rey |
| Cup1 Result: | 4th round |
| League Topscorer: | Hugo Sanchez (16) |
| Season Topscorer: | Hugo Sanchez (17) |
| Pattern B1: | _redrightsash |
| Pattern So1: | _socks |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | FFFFFF |
| Pattern B2: | _rayo1415a |
| Leftarm2: | FF0000 |
| Body2: | FFFFFF |
| Rightarm2: | FF0000 |
| Shorts2: | FF0000 |
| Socks2: | FF0000 |
| Updated: | 11 April 2022 |
| Prevseason: | 1992–93 |
| Nextseason: | 1994–95 |
The 1993–94 season is the 70th season in the existence of Rayo Vallecano and the club's first season back in the top flight of Spanish football. In addition to the domestic league, Rayo Vallecano participated in this season's edition of the Copa del Rey.
During summer José Antonio Camacho left the club after the end of his contract to take the charge of RCD Español prompting José María Ruiz-Mateos to appoint club legend Felines[1] as its new head coach.[2] The club transferred in several players such as Pichichi trophy 5-times-winner Hugo Sanchez[3] seeking to replace Anton Polster who was transferred out to FC Köln, midfielder Orehuela from Atletico Madrid, Onesimo and young striker Ismael Urzaiz from Celta Vigo.
After a bad streak of results, President Ruiz Mateos sacked head coach Felines and appointed Fernando Zambrano on 31 October 1993 [4] however, the squad still lost the path in League even with the appointing of Teresa Rivero as new club President, the first woman in that charge in La Liga history[5] who fired Zambrano on 4 February 1994 replacing him with David Vidal for the rest of the season. The team felt below to a Relegation Playoff against SD Compostela descending to 1994-95 Segunda Division after three matches.
| In | |||||||
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| width=3% | Pos. | width=32% | Name | width=30% | from | width=35% | Type |
| FW | - | ||||||
| MF | - | ||||||
| DF | - | ||||||
| MF | - | ||||||
| FW | - | ||||||
| FW | Eduardo Rodriguez | - | |||||
| DF | Luis Alcazar | - | |||||
| MF | Luis Delgado | - | |||||
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| width=3% | Pos. | width=32% | Name | width=30% | To | width=35% | Type |
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| MF | - | ||||||
| GK | - | ||||||
| DF | retired | ||||||