| One is in each theme entry | 26 |
| One is embraced by a benedict | 29 |
| One is anterior, in the brain | 29 |
| One irresistible to women | 25 |
| One iron, in old golf lingo | 27 |
| One involved with rackets | 25 |
| One involved with proofs | 24 |
| One involved in match play? | 27 |
| One involved in litigation | 26 |
| One involved in future deals? | 29 |
| One involved in class action? | 29 |
| One involved in bowling balls | 29 |
| One involved in batting | 23 |
| One involved in a pickup | 24 |
| One involved in a faceoff | 25 |
| One involved in a face-off | 26 |
| One invoked during a drought | 28 |
| One invested in ministry | 24 |
| One into pain management? | 25 |
| One interpreting lines | 22 |
| One interpreted by an augur | 27 |
| One interested in spreads | 25 |
| One interested in possessions | 29 |
| One interested in interest | 26 |
| One intentionally not present | 29 |
| One instrumental in history? | 28 |
| One inspiring love of poetry? | 29 |
| One inspired by Terpsichore | 27 |
| One inspired by Calliope | 24 |
| One insistent on perfection | 27 |
| One industry above the rest? | 28 |
| One incapacitated by stress | 27 |
| One in with the out-crowd | 25 |
| One in whiteface, maybe | 23 |
| One in top hat and tails | 24 |
| One in the woods, so they say | 29 |
| One in the womb with you | 24 |
| One in the weasel family | 24 |
| One in the viper family | 23 |
| One in the store business | 25 |
| One in the stock market? | 24 |
| One in the spirit world? | 24 |
| One in the social whirl | 23 |
| One in the pole position? | 25 |
| One in the plus column | 22 |
| One in the middle of a fight | 28 |
| One in the legislative biz | 26 |
| One in the kiddie pool | 22 |
| One in the Kennedy crowd | 24 |
| One in the gleaning business | 28 |
| One in the futures market? | 26 |
| One in the frontier, perhaps | 28 |
| One in the first generation | 27 |
| One in the first family | 23 |
| One in the family, informally | 29 |
| One in the cross hairs | 22 |
| One in the cheering section | 27 |
| One in the big leagues | 22 |
| One in the arms of Morpheus | 27 |
| One in taxing circumstances | 27 |
| One in service to the queen? | 28 |
| One in second childhood | 23 |
| One in search of heretics | 25 |
| One in search of a tin can | 26 |
| One in search of a moray | 24 |
| One in Saint-Émilion | 24 |
| One in Peter Piper's peck | 29 |
| One in peak condition? | 22 |
| One in office, for short | 24 |
| One in need of tech support | 27 |
| One in need of repentance | 25 |
| One in need of drying out | 25 |
| One in need of an organizer | 27 |
| One in need of a tutor | 22 |
| One in Mary's care | 22 |
| One in line to be a queen? | 26 |
| One in line for a fall | 22 |
| One in line at an airport | 25 |
| One in line at a station | 24 |
| One in Kasparov's corner | 28 |
| One in front of a train? | 24 |
| One in Frank's Rat Pack | 27 |
| One in dreadlocks, often | 24 |
| One in distress, maybe | 22 |
| One in deep meditation | 22 |
| One in charge, slangily | 23 |
| One in charge, informally | 25 |
| One in charge wears these | 25 |
| One in charge of many couples | 29 |
| One in charge of a roast? | 25 |
| One in battle circa 1901 | 24 |
| One in Antony's audience | 28 |
| One in an unhappy chorus | 24 |
| One in an S.R.O. audience | 25 |
| One in an office exchange | 25 |
| One in an incubator, perhaps | 28 |
| One in an igloo, perhaps | 24 |
| One in an awkward position? | 27 |
| One in an ancient Jewish sect | 29 |
| One in an airport queue | 23 |