| Acronym | Definition |
|---|
| SLU | Saint Louis University |
| SLU | Sveriges Lantbruksuniversitet (Swedish University of Agricultural Sciences) |
| SLU | Southeastern Louisiana University (Hammond, LA, USA) |
| SLU | Starting Lineup |
| SLU | St Lawrence University |
| SLU | South Lake Union (Seattle, WA) |
| SLU | Suomen Liikunta Ja Urheilu (Finnish Sports Federation) |
| SLU | St. Leo University |
| SLU | Swagger Like Us (song) |
| SLU | Sub-Loop Unbundling (telecom) |
| SLU | St Lucia, Saint Lucia - Vigie Field (Airport Code) |
| SLU | Special Liaison Unit |
| SLU | Secondary Logical Unit |
| SLU | Subscriber Line Usage |
| SLU | Special Letters Unit (parody) |
| SLU | Serial Line Unit |
| SLU | Surface Launched Unit |
| SLU | Scheduled Loss of Use (legal) |
| SLU | Spare Line Unit (Hekimian) |
| SLU | St. Linus University (Dominica) |
| SLU | Screen Look-Up |
| SLU | Standard Length Unit (railway freight measurement) |
| SLU | System Load Unit |
| SLU | Simultaneous Logged Users (FileNET) |
| SLU | Secret Liaison Unit (UK) |
| SLU | Starch Liquefying Unit |