British Box Office For August 2013
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | The Conjuring | $15,033,579 | 403 | $16,201,474 | Aug 2 | Warner Bros. |
| 2 | Monsters University | $14,036,602 | 573 | $47,166,338 | Jul 12 | Walt Disney Pictures |
| 3 | The Smurfs 2 | $13,978,804 | 1,038 | $18,884,203 | Jul 31 | - |
| 4 | Despicable Me 2 | $11,249,998 | 560 | $72,278,042 | Jun 28 | Universal Pictures International (UPI) |
| 5 | Grown Ups 2 | $10,912,611 | 366 | $13,566,641 | Aug 9 | - |
| 6 | The Heat | $10,774,980 | 443 | $11,222,329 | Jul 31 | 20th Century Fox International |
| 7 | Percy Jackson: Sea of Monsters | $9,307,733 | 461 | $11,375,595 | Aug 9 | 20th Century Fox International |
| 8 | The Wolverine | $9,042,252 | 525 | $21,087,118 | Jul 26 | 20th Century Fox International |
| 9 | Alan Partridge | $8,611,409 | 441 | $9,573,673 | Aug 9 | - |
| 10 | Planes | $7,889,647 | 536 | $14,035,447 | Aug 16 | Walt Disney Pictures |
| 11 | Kick-Ass 2 | $7,499,859 | 483 | $8,527,780 | Aug 14 | Universal Pictures International (UPI) |
| 12 | Elysium | $7,296,683 | 710 | $14,040,874 | Aug 21 | - |
| 13 | The Lone Ranger | $6,717,131 | 519 | $7,109,260 | Aug 7 | Walt Disney Pictures |
| 14 | 2 Guns | $5,436,612 | 398 | $6,903,295 | Aug 16 | - |
| 15 | We're the Millers | $4,562,895 | 429 | $13,433,112 | Aug 23 | Warner Bros. |
| 16 | RED 2 | $4,392,768 | 430 | $4,398,563 | Aug 2 | - |
| 17 | Chennai Express | $3,155,403 | 105 | $3,380,074 | Aug 9 | - |
| 18 | The Mortal Instruments: City of Bones | $2,756,716 | 419 | $4,045,193 | Aug 21 | - |
| 19 | The World's End | $2,392,226 | 548 | $13,354,358 | Jul 19 | Universal Pictures International (UPI) |
| 20 | Only God Forgives | $1,878,656 | 188 | $1,888,222 | Aug 2 | - |
| 21 | Now You See Me | $1,868,304 | 478 | $16,823,365 | Jul 3 | - |
| 22 | Pacific Rim | $1,036,538 | 494 | $12,785,909 | Jul 12 | Warner Bros. |
| 23 | Epic | $949,705 | 532 | $20,981,796 | May 22 | 20th Century Fox International |
| 24 | Frances Ha | $597,169 | 60 | $1,125,410 | Jul 26 | - |
| 25 | Thalaivaa | $367,197 | 19 | $367,197 | Aug 9 | - |
| 26 | Jurassic Park 2013 Re-release | $340,511 | 22 | $633,512 | Aug 23 | Universal Pictures International (UPI) |
| 27 | Wadjda | $282,948 | 40 | $558,785 | Jul 19 | - |
| 28 | What Maisie Knew | $266,932 | 51 | $538,676 | Aug 23 | - |
| 29 | Lovelace | $242,282 | 80 | $307,346 | Aug 23 | - |
| 30 | The Internship | $216,102 | 409 | $5,331,311 | Jul 3 | 20th Century Fox International |
| 31 | The Croods | $142,121 | 553 | $43,146,580 | Mar 22 | 20th Century Fox International |
| 32 | From Up on Poppy Hill | $141,288 | 27 | $144,555 | Aug 2 | - |
| 33 | Blackfish | $119,867 | 18 | $203,916 | Jul 26 | - |
| 34 | Behind the Candelabra | $113,244 | 272 | $5,253,380 | Jun 7 | - |
| 35 | Man of Steel | $103,579 | 575 | $46,198,857 | Jun 14 | Warner Bros. |
| 36 | The Bling Ring | $88,440 | 75 | $937,497 | Jul 5 | - |
| 37 | Looking for Hortense | $77,069 | 13 | $96,800 | Aug 9 | - |
| 38 | Before Midnight | $75,770 | 106 | $1,241,899 | Jun 21 | - |
| 39 | World War Z | $57,224 | 502 | $22,009,608 | Jun 21 | - |
| 40 | Once Upon a Time in Mumbaai Dobara | $54,951 | 19 | $302,019 | Mar 16 | - |
| 41 | The Frozen Ground | $54,113 | 126 | $501,238 | Jul 19 | - |
| 42 | The Great Gatsby | $50,464 | 545 | $23,925,733 | May 16 | Warner Bros. |
| 43 | Call Girl | $47,083 | 14 | $47,083 | Aug 16 | - |
| 44 | Naughty Jatts | $40,938 | 7 | $40,938 | Aug 2 | - |
| 45 | The Act of Killing | $35,349 | 15 | $163,777 | Jun 28 | - |
| 46 | Bachelorette | $30,314 | 20 | $30,314 | Aug 16 | - |
| 47 | Bhaag Milkha Bhaag | $29,601 | 56 | $400,862 | Jul 12 | - |
| 48 | This Is the End | $29,095 | 462 | $6,270,430 | Jun 28 | - |
| 49 | Foxfire: Confessions of a Girl Gang | $24,286 | 10 | $24,286 | Aug 9 | - |
| 50 | Breathe In | $22,708 | 30 | $143,084 | Jul 19 | - |
| 51 | Silence 2013 Re-release | $21,995 | 5 | $21,995 | Aug 9 | - |
| 52 | Kuma | $21,100 | 6 | $21,100 | Aug 16 | - |
| 53 | Star Trek Into Darkness | $19,992 | 555 | $39,356,029 | May 9 | - |
| 54 | The Kings of Summer | $19,375 | 4 | $24,189 | Aug 23 | - |
| 55 | Iron Man 3 | $17,728 | 558 | $57,074,453 | Apr 25 | Walt Disney Pictures |
| 56 | Best of Luck | $11,310 | 28 | $78,921 | Jul 26 | - |
| 57 | Much Ado About Nothing | $9,907 | 64 | $471,546 | Jun 14 | - |
| 58 | Blancanieves | $7,378 | 20 | $96,173 | Jul 12 | - |
| 59 | Aftershock | $4,870 | 3 | $4,870 | Aug 16 | - |
| 60 | Paradise: Hope | $3,816 | 5 | $3,816 | Aug 2 | - |
| 61 | Pattathu Yaanai | $3,594 | 12 | $41,217 | Jul 26 | - |
| 62 | Renoir | $2,712 | 26 | $124,482 | Jun 28 | - |
| 63 | Life's a Breeze | $2,124 | 33 | $99,668 | Jul 19 | - |
| 64 | Singam 2 | $1,511 | 12 | $289,851 | Jul 5 | - |
| 65 | Easy Money 2013 Re-release | $1,066 | 79 | $74,788 | Jul 19 | - |
