| # | Date | Film | Gross in euros | Gross in US dollars | Notes |
| 1 | January 4, 2015 | The Hobbit: The Battle of the Five Armies (3) | €1,444,303 | $1,733,649 | It was The Hobbit: The Battle of the Five Armies' third week at number one. |
| 2 | January 11, 2015 | Fury | €1,337,779 | $1,584,539 | |
| 3 | January 18, 2015 | Taken 3 | €927,626 | $1,073,728 | |
| 4 | January 25, 2015 | The Theory of Everything | €757,026 | $848,560 | The Theory of Everything reached the number-one spot in its second weekend of release. |
| 5 | February 1, 2015 | Annie | €969,311 | $1,094,611 | |
| 6 | February 8, 2015 | The SpongeBob Movie: Sponge Out of Water | €1,773,023 | $2,007,408 | |
| 7 | February 15, 2015 | Fifty Shades of Grey | €7,241,383 | $8,254,264 | |
| 8 | February 22, 2015 | Fifty Shades of Grey (2) | €3,403,961 | $3,874,434 | |
| 9 | March 1, 2015 | Fifty Shades of Grey (3) | €1,765,659 | $1,977,886 | |
| 10 | March 8, 2015 | Perdiendo el Norte | €1,298,466 | $1,408,681 | Perdiendo el Norte was the first Spanish film to reach number one in 2015. |
| 11 | March 15, 2015 | Perdiendo el Norte (2) | €1,449,295 | $1,521,665 | |
| 12 | March 22, 2015 | Home | €1,850,606 | $2,003,427 | |
| 13 | March 29, 2015 | Cinderella | €1,976,750 | $2,153,463 | |
| 14 | April 5, 2015 | Furious 7 | €4,239,465 | $4,655,479 | |
| 15 | April 12, 2015 | Furious 7 (2) | €2,254,128 | $2,390,785 | |
| 16 | April 19, 2015 | Furious 7 (3) | €1,105,822 | $1,195,638 | |
| 17 | April 26, 2015 | The Water Diviner | €746,741 | $812,258 | The Water Diviner had the lowest number-one weekend debut of 2015. |
| 18 | May 3, 2015 | Avengers: Age of Ultron | €4,344,592 | $4,866,691 | |
| 19 | May 10, 2015 | Avengers: Age of Ultron (2) | €1,587,456 | $1,779,420 | |
| 20 | May 17, 2015 | Mad Max: Fury Road | €1,102,369 | $1,237,435 | |
| 21 | May 24, 2015 | Pitch Perfect 2 | €879,437 | $968,949 | |
| 22 | May 31, 2015 | Tomorrowland | €1,218,154 | $1,339,234 | |
| 23 | June 7, 2015 | Tomorrowland (2) | €720,231 | $800,764 | The second weekend of Tomorrowland had the lowest number-one weekend of 2015. |
| 24 | June 14, 2015 | Jurassic World | €6,573,281 | $7,411,274 | |
| 25 | June 21, 2015 | Jurassic World (2) | €2,972,273 | $3,374,209 | |
| 26 | June 28, 2015 | Jurassic World (3) | €2,024,643 | $2,263,689 | |
| 27 | July 5, 2015 | Minions | €5,504,800 | $6,122,022 | |
| 28 | July 12, 2015 | Minions (2) | €2,969,978 | $3,315,300 | |
| 29 | July 19, 2015 | Inside Out | €2,905,636 | $3,147,284 | |
| 30 | July 26, 2015 | Inside Out (2) | €1,915,008 | $2,104,589 | |
| 31 | August 2, 2015 | Inside Out (3) | €1,528,124 | $1,678,944 | |
| 32 | August 9, 2015 | Mission: Impossible – Rogue Nation | €1,577,191 | $1,730,059 | |
| 33 | August 16, 2015 | Inside Out (4) | €895,133 | $994,813 | Inside Out reclaimed the number-one spot in its fifth weekend of release. |
| 34 | August 23, 2015 | Fantastic Four | €1,021,401 | $1,163,486 | |
| 35 | August 30, 2015 | Atrapa la bandera | €1,469,927 | $1,644,545 | Atrapa la Bandera was the second Spanish film to reach number one in 2015. |
| 36 | September 6, 2015 | Atrapa la bandera (2) | €1,433,443 | $1,599,218 | |
| 37 | September 13, 2015 | The Visit | €1,571,119 | $1,782,001 | |
| 38 | September 20, 2015 | Maze Runner: The Scorch Trials | €1,599,504 | $1,808,371 | |
| 39 | September 27, 2015 | Everest | €1,075,308 | $1,204,827 | Everest reached the number-one spot in its second weekend of release. |
| 40 | October 4, 2015 | Regression | €2,554,239 | $2,849,632 | Regression was the third Spanish film to reach number one in 2015. |
| 41 | October 11, 2015 | Regression (2) | €2,005,371 | $2,278,106 | |
| 42 | October 18, 2015 | The Martian | €2,947,482 | $3,346,711 | |
| 43 | October 25, 2015 | Hotel Transylvania 2 | €2,896,231 | $3,191,509 | |
| 44 | November 1, 2015 | Hotel Transylvania 2 (2) | €2,016,719 | $2,220,640 | |
| 45 | November 8, 2015 | Spectre | €2,837,212 | $3,047,521 | |
| 46 | November 15, 2015 | Spectre (2) | €1,416,473 | $1,526,454 | |
| 47 | November 22, 2015 | Ocho apellidos catalanes | €8,080,337 | $8,603,517 | Ocho Apellidos Catalanes had the highest number-one weekend of 2015. It was the fourth Spanish film to reach number one in 2015. |
| 48 | November 29, 2015 | Ocho apellidos catalanes (2) | €5,489,164 | $5,816,887 | |
| 49 | December 6, 2015 | Ocho apellidos catalanes (3) | €3,860,214 | $4,202,142 | |
| 50 | December 13, 2015 | Ocho apellidos catalanes (4) | €1,867,083 | $2,053,206 | |
| 51 | December 20, 2015 | Star Wars: The Force Awakens | €7,992,785 | $8,688,660 | |
| 52 | December 27, 2015 | Star Wars: The Force Awakens (2) | €5,771,034 | $6,328,027 | |
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