- r
- r u da?
- r u goin?
- r u there?
- R&D
- R&R
- RACI
- RAD
- radar screen
- radio button
- radio tags
- RAEBNC
- RAF
- RAFO
- rain fade
- RAM
- ramp rate
- ramp up
- ranking
- ransomware
- rant-and-rave
- raster graphics
- rasterbator
- RAT
- ratchet
- rate card
- ratting
- raw click
- RB@Ya
- RBAY
- RBF
- RBOC
- RBTL
- RBU
- RC
- RCI
- RCS
- RDBMS
- RDF
- RDV
- RE
- re-purpose or re-purposing
- re-start-up
- reach
- README
- real estate
- real programming
- Real Soon Now
- real time chat
- real world
- real-time
- real-time bidding
- real-time customer support
- real-time enterprise
- RealAudio
- reality check
- reality-distortion field
- RealPlayer
- reboot
- rebump
- receipt porn
- receipts
- receptivity
- reciprocal link
- recommendation engine
- Red Book
- Red Brick Intelligent SQL
- redirect
- REDLYFE
- reefer
- referrer
- reformat
- refresh or reload
- refusenik
- reg
- REHI
- reintarnation
- release
- relevancy
- remnant
- remote
- remote computer or remote terminal
- remote system
- remote terminal
- render
- render farm
- render wander
- rents
- replacement character
- reprographic artist
- reputation score
- RESO
- resolution
- resolve
- resonate
- respeck
- responsive ad
- Responsive Web Design
- retailtainment
- return code
- retweet
- revenge porn
- revenue sharing
- reverse auction
- reverse engineering
- reverse telecommuting
- RF
- RFC
- RFD
- RFI
- RFID
- RFM
- RFO
- RFP
- RFR
- RFS
- RGB
- rgds
- RGR
- RHIP
- RHK
- RI&W
- rib site
- ribs 'n' dick
- rich
- rich media
- Richard Petty syndrome
- Richerd
- Rickroll
- rides
- right click
- right to disconnect
- rightsizing
- RIMJS
- Rimm job
- RingMaster
- ringtones
- ringxiety
- rinky-dink
- RINO
- RIP
- RIPE NCC
- rish
- RIYL
- rizz
- RKBA
- RL
- RLCO
- RLF
- RLRT
- RM
- RMB
- RMETTH
- RMLB
- RMMA
- RMMM
- RN
- RNN
- RNY
- roach coach
- roaching
- road builders
- road dawg
- road show
- road warrior
- roadcasting
- roadie
- robo-adviser
- roboats
- robocall
- robophilia
- robot
- robot.txt
- robotics
- robust
- ROE
- ROFL
- ROFLMAO
- ROFLMAOASTC
- ROFLOL
- rogue site
- ROI
- roll-up
- rollable screen
- rollerball
- rollover
- ROM
- ROM brain
- romanceting
- RON
- root server
- rootkit
- ROR
- ROS
- ROT13
- ROTFL
- ROTFLMAO
- ROTFLMFAO
- ROTFLOL
- ROTGL
- ROTGLMAO
- ROTM
- router
- router droppings
- rovables
- RPG
- RQB
- RRQ
- RRR
- RSI
- RSN
- RSS
- RSVP
- RT
- RTA
- RTB
- RTBM
- RTBS
- RTF or .rtf
- RTFAQ
- RTFF
- RTFM
- RTFQ
- RTH
- RTHX
- RTK
- RTM or RTFM
- RTS
- RTSM
- RTSS
- RTT
- RTTSD
- RTWFQ
- RU
- RU/18
- Ruby
- RUFKM
- RUH
- RUMCYMHMD
- rumint
- rumorazzi
- RUMORF
- run
- runtime program
- RUNTS
- RUOK
- RUS
- RUSOS
- RUT
- RUUP4IT
- RU\18
- RX
- RYFM
- RYO
- RYS
