Gilbert O'Sullivan appears 10 times in the Israeli foreign-music chart archive (1970–1980). One single reached #1. Best performer: Clair (peak #1, 15 weeks on chart). 2 of their songs also placed on a year-end chart.
| Peak | Song | Entered | Wks | Annual |
|---|---|---|---|---|
| 1 | Clair | 19 Nov 1972 | 15 | 1973 #11 |
| 2 | Alone Again (Naturally) | 27 Aug 1972 | 14 | 1972 #1 |
| 2 | Get Down | 20 May 1973 | 11 | – |
| 3 | Out of the Question | 18 Mar 1973 | 9 | – |
| 5 | Ooh, Baby | 25 Nov 1973 | 8 | – |
| 5 | I Don't Love You But I Think I Like You | 10 Aug 1975 | 9 | – |
| 6 | Nothing Rhymed | 20 Dec 1970 | 9 | – |
| 8 | What's in a Kiss | 17 Nov 1980 | 7 | – |
| 17 | I Didn't Know What to Do | 19 Sep 1971 | 2 | – |
| 25 | Ooh-Wakka-Doo-Wakka-Day | 13 Aug 1972 | 1 | – |