| S&D | Sales & Distribution 
| Others |
| S&D | Schiel & Denver Book Publishers
| Others |
| S&D | Search and Destroy
| Others |
| s.d. | s. d.
| Others |
| S.D. | Standard Deviation
| Others |
| S/D | Source/Drain
| Others |
| s/d | stepdaughter
| Others |
| SD | Doctor of Spirituality
| Others |
| SD | Entropic Sound Sound Data format
| Others |
| SD | S Drills
| Others |
| SD | S for Discriminative
| Others |
| SD | Saint Vitus's dance
| Others |
| SD | Sales and Distribution
| Others |
| SD | Same Domain
| Others |
| SD | SAN (Storage Area Network) Disk
| Others |
| SD | San Diego
| Others |
| SD | San Diego Chargers
| Others |
| SD | San Diego Field Office
| Others |
| SD | San Diego Padres
| Others |
| SD | Sand Drain
| Others |
| SD | Saved the Day
| Others |
| SD | Saving the Data
| Others |
| SD | Scale Dependent
| Others |
| SD | Scaling and Display
| Others |
| SD | Scan Disk
| Others |
| SD | Scattered Disk
| Others |
| SD | Schall Daempfer (Silencer-Muffler)
| Others |
| SD | Schematic Design
| Others |
| SD | Schuyler Defeated
| Others |
| SD | Schwinger-Dyson (equation)
| Others |
| SD | Scientific Director
| Others |
| SD | Scooby Doo
| Others |
| SD | SCSI (Small Computer System Interface) Device
| Others |
| SD | SD definition
| Others |
| SD | Secret Diamond
| Others |
| SD | Section Definition
| Others |
| SD | Section Disparu
| Others |
| SD | Section Disparue
| Others |
| SD | Secure Data
| Others |
| SD | Secure Digital
| Others |
| SD | Secured Digital
| Others |
| SD | Security Deposit
| Others |
| SD | Seima Densetsu computer game
| Others |
| SD | Selective Default
| Others |
| SD | Self Defense
| Others |
| SD | Self Delete
| Others |
| SD | Semantically Different
| Others |
| SD | Semi Discrete
| Others |
| SD | Senate District
| Others |
| SD | Senator Everett Dirksen
| Others |
| SD | Senior Deacon
| Others |
| SD | Senior Dinner
| Others |
| SD | Sentential Derivation
| Others |
| SD | Serco Defence
| Others |
| SD | Service Description
| Others |
| SD | Service Design
| Others |
| SD | Service Director
| Others |
| SD | Session Directory
| Others |
| SD | Severe Duty
| Others |
| SD | Sexual Dysfunction
| Others |
| SD | Shadow Dale
| Others |
| SD | Shady Deal
| Others |
| SD | Shattered Dreams
| Others |
| SD | Shocker Dollars
| Others |
| SD | Short Distance
| Others |
| SD | Shot Danger
| Others |
| SD | Shot Disc
| Others |
| SD | Shoulder Disarticulation
| Others |
| SD | Show Descriptions
| Others |
| SD | SicherheitsDienst
| Others |
| SD | Side Door
| Others |
| SD | Siemans Dickson
| Others |
| SD | Signatory Description
| Others |
| SD | Sindhi
| Others |
| SD | Sine Datum
| Others |
| SD | Single Data
| Others |
| SD | Single Dose
| Others |
| SD | Single Droplet
| Others |
| SD | Singles and Doubles
| Others |
| SD | Site Director
| Others |
| SD | Sket Dance
| Others |
| SD | Sketch Dimension
| Others |
| SD | Sled Dog
| Others |
| SD | Small Date
| Others |
| SD | Small Dual in-line package
| Others |
| SD | Smart Disc
| Others |
| SD | Smart Drive
| Others |
| SD | Smoke Detector
| Others |
| SD | Snare Drum
| Others |
| SD | Social Distortion
| Others |
| SD | Software Design
| Others |
| SD | Software Development
| Others |
| SD | Solar Dynamic
| Others |
| SD | Soldier's Daughter
| Others |
| SD | Solicitation Document
| Others |
| SD | Somewhat Dependable
| Others |
| SD | Sorted Directory
| Others |
| SD | Sound Dampened
| Others |
| SD | Sound Dampening
| Others |
| SD | Source to Destination
| Others |
| SD | South Dakota
| State |
| SD | Space Detective
| Others |
| SD | Space Division
| Others |
| SD | Spare Disposition
| Others |
| SD | Spasmodic Dysphonia
| Others |
| SD | Special Delivery
| Others |
| SD | Special Deluxe
| Others |
| SD | Special Duty
| Others |
| SD | Specialist Division
| Others |
| SD | Specially Denatured
| Others |
| SD | Specific Duty
| Others |
| SD | Specification & Description
| Others |
| SD | Specification Document
| Others |
| SD | Speed Dial
| Others |
| SD | Speed Download
| Others |
| SD | Sperm Donor
| Others |
| SD | Spin Doctors
| Others |
| SD | Spin Down
| Others |
| SD | Spirit Dancer
| Others |
| SD | Spool Directory
| Others |
| SD | Sport Deck
| Others |
| SD | Spray Dried
| Others |
| SD | Spray Drying
| Others |
| SD | Spring Day
| Others |
| SD | Spring Drive
| Others |
| SD | Stabe Disease
| Others |
| SD | Stand for DR560
| Others |
| SD | Stand for DS360
| Others |
| SD | Standard Definition
| Others |
| SD | Standard Digital
| Others |
| SD | Standard Doll
| Others |
| SD | Standby Distribution
| Others |
| SD | Staple Decleater
| Others |
| SD | Star Delta
| Others |
| SD | Started Dog
| Others |
| SD | Startup Drive
| Others |
| SD | State Drives
| Others |
| SD | Static Display
| Others |
| SD | Static Dissipation
| Others |
| SD | Statistical Division
| Others |
| SD | Statistical Doctor
| Others |
| SD | Steely Dan
| Others |
| SD | Stepfamily Day
| Others |
| SD | Stereo Dynamic
| Others |
| SD | Sterile Dressing
| Others |
| SD | Sterling Diamond
| Others |
| SD | Steve Dagley
| Others |
| SD | Storage Device
| Others |
| SD | Stranger Danger
| Others |
| SD | Strategy Division
| Others |
| SD | Strength Divisor
| Others |
| SD | Strongly Disagree
| Others |
| SD | Structural Design
| Others |
| SD | Structurally Deficient
| Others |
| SD | Structured Design
| Others |
| SD | SubDural
| Others |
| SD | Submarine Dutch
| Others |
| SD | Submittal Description
| Others |
| SD | Submitted Data
| Others |
| SD | Subscale Demonstrator
| Others |
| SD | Sudan
| Others |
| SD | Sudan Airways
| Others |
| SD | Sudden Death
| Others |
| SD | Sugar Daddy
| Others |
| SD | Sun Deck
| Others |
| SD | Sun Dome
| Others |
| SD | Sundry Deposit
| Others |
| SD | Sunny Delight Beverages Company
| Others |
| SD | Super Deformed
| Others |
| SD | Super Density
| Others |
| SD | Super Derp
| Others |
| SD | Super Detector
| Others |
| SD | Super Distorted
| Others |
| SD | Super Drive
| Others |
| SD | Super Duper
| Others |
| SD | Super Duraluminum
| Others |
| SD | Super Duty
| Others |
| SD | Super-Dreadnought
| Others |
| SD | Superannuation Division
| Others |
| SD | Superior Defender
| Others |
| SD | Supervisor Duty
| Others |
| SD | Supplementary Deposit
| Others |
| SD | Supplier Documentation
| Others |
| SD | Supporting Detail
| Others |
| SD | Sustainable Development
| Others |
| SD | Swiftly Defeated
| Others |
| SD | Synchronization Directorate
| Others |
| SD | Synchronous Dynamic
| Others |
| SD | Systematic Desensitisation
| Others |
| Sd. | sonder-
| Others |