| Pagename: | 1946 Grand National |
| Horse Race: | Grand National |
| Location: | Aintree Racecourse |
| Date: | 5 April 1946 |
| Winning Horse: | Lovely Cottage |
| Starting Price: | 25/1 |
| Winning Jockey: | Capt. Robert Petre |
| Winning Trainer: | Tommy Rayson |
| Winning Owner: | John Morant |
| Conditions: | Good |
| Previous: | 1940 |
| Next: | 1947 |
The 1946 Grand National was the 100th renewal of the Grand National horse race that took place at Aintree near Liverpool, England, on 5 April 1946. It was the first true Aintree Grand National since 1940 due to World War II.
The National was won by 25/1 shot Lovely Cottage, ridden by jockey Captain Robert Petre and trained by Tommy Rayson.
Thirty-four horses ran and one died: Symbole fell at Becher's Brook, incurring a fatal cervical fracture.
| Position | Name | Jockey | data-sort-type="number" | Age | Handicap (st-lb) | SP | Distance |
|---|---|---|---|---|---|---|---|
| 01 | Lovely Cottage | Bobby Petre | 9 | 10-8 | 25/1 | 4 lengths | |
| 02 | Jack Finlay | William Kidney | 7 | 10-2 | 100/1 | 3 Lengths[1] | |
| 03 | Prince Regent | Tim Hyde | 11 | 12-5 | 3/1 | ||
| 04 | Housewarmer | Aubrey Brabazon | 9 | 10-2 | 100/1 | ||
| 05 | Schubert | Cliff Beechener | 12 | 11-0 | 100/7 | ||
| 06 | Limestone Edward | David Doyle | 12 | 10-2 | 13/2 | Last to complete | |
| Fence | Name | Jockey | Age | Handicap (st-lb) | SP | Fate |
|---|---|---|---|---|---|---|
| 06 | Symbole | Bill Redmond | 11 | 11-0 | 33/1 | Fell |
| 22 | Largo | Jack Cooke | 7 | 10-13 | 66/1 | Fell |
| ? | Heirdom | Peter Cahalin | 14 | 10-10 | 66/1 | Fell |
| 15 | Bogskar | R Matthews | 13 | 10-9 | 66/1 | Unseated Rider |
| 22 | Kami | H Bonneau | 9 | 10-9 | 33/1 | Fell |
| 23 | MacMoffat | Ian Alder | 14 | 10/8 | 50/1 | Unseated rider |
| 12 | Astrometer | M Gordon | 8 | 10-3 | 50/1 | Fell |
| 19 | Knight's Crest | P Murphy | 9 | 10-3 | 22/1 | Fell |
| 29 | Suzerain II | George Archibald (jnr) | 8 | 10-3 | 33/1 | Fell |
| ? | Vain Knight | Dick Curran | 13 | 10/2 | 100/1 | Fell |
| 19 | Silver Fame | Daniel Ruttle | 7 | 10-0 | 40/1 | Fell |
| ? | Historical Revue | S Ryan | 8 | 10-0 | 66/1 | Fell |
| ? | Tulyra | Derek Jackson | 10 | 10-0 | 100/1 | Fell |
| 03 | Dunshaughlin | Bobby O'Ryan[2] | 8 | 10-0 | 100/8 | Fell |
| ? | Double Flush | Eddie Newman | 10 | 10-0 | 100/1 | Fell |
| ? | Yung-Yat | T Cullen jnr | 10 | 10-0 | 100/1 | Fell |
| 19 | Lough Conn | Daniel McCann | 10 | 10-0 | 33/1 | Fell |
| 03 | Jock | Fred Gurney | 8 | 10-2 | 50/1 | Fell |
| ? | Musical Lad | M Browne | 9 | 10-0 | 100/1 | Fell |
| ? | Bricett | Jimmy Brogan | 9 | 10-2 | 28/1 | Fell |
| ? | Gyppo | Mr J Cousins | 12 | 10-0 | 40/1 | Fell |
| 06 | Alacrity | George Bowden | 13 | 10-0 | 100/1 | Unseated Rider[3] |
| 03 | Closure | Herbert Applin | 9 | 10-0 | 100/1 | Fell |
| 01 | Elsich | Bill Balfe | 10 | 10-0 | 100/1 | Fell |
| ? | Red Rower | Glen Kelly | 12 | 11-7 | 22/1 | Pulled Up |
| ? | EP | Martin Molony | 11 | 10-2 | 50/1 | Pulled Up |
| ? | Newark Hill | Peter Lay | 12 | 10-1 | 50/1 | Brought Down |
| 19 | King Gesson | Roger Burford | 10 | 10-0 | 100/1 | Refused |