| reducerande | lessening |
| reduceras | diminish |
| reducerbar | reducible |
| reducering | chemical reduction |
| reduceringar | reducers |
| Reductil | Sibutramine |
| reduktion | decrease |
| redution av krafstationer | power station derating |
| redutt | redoubt |
| Redvers Buller | Redvers Buller |
| Redwall | Redwall |
| Reed Sea | Reed Sea |
| reell | real |
| Reella tal | Real number |
| Reese Witherspoon | Reese Witherspoon |
| reexport | re-exportation |
| referat | commentary |
| referendum | referendum |
| referens | allusion |
| Referens -en -er | Note |
| Referensellipsoid | Reference ellipsoid |
| referenser | credentials |
| referensinformation | referral information |
| referenspunkt | point of reference |
| referensram | frame of reference |
| referenssystem | referral information system |
| referera | report |
| referera till | allude to |
