Portuguese Box Office For May 2018
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Avengers: Infinity War | $1,445,060 | 142 | $2,823,586 | Apr 26 | - |
| 2 | Deadpool 2 | $1,431,531 | 104 | $2,471,565 | May 17 | - |
| 3 | A Quiet Place | $339,917 | 59 | $411,588 | May 3 | - |
| 4 | Solo: A Star Wars Story | $337,252 | 120 | $769,900 | May 24 | - |
| 5 | Blockers | $296,474 | 60 | $430,903 | May 10 | - |
| 6 | Duck Duck Goose | $199,663 | 68 | $286,365 | May 10 | - |
| 7 | Rampage | $145,899 | 77 | $770,848 | Apr 12 | - |
| 8 | Truth or Dare | $117,377 | 36 | $317,227 | Apr 19 | - |
| 9 | Game Night | $103,344 | 47 | $331,892 | Apr 19 | - |
| 10 | Beirut | $92,275 | 37 | $93,167 | May 3 | - |
| 11 | The Jungle Bunch | $68,872 | 72 | $188,423 | Apr 19 | - |
| 12 | The Guernsey Literary and Potato Peel Pie Society | $61,643 | 30 | $81,250 | May 10 | Zon Lusomundo Audiovisuais |
| 13 | You Were Never Really Here | $55,011 | 24 | $79,024 | May 17 | - |
| 14 | Peter Rabbit | $53,505 | 78 | $1,328,783 | Mar 29 | - |
| 15 | A Ilha dos Cães | $52,749 | 28 | $92,075 | Apr 20 | - |
| 16 | The Death of Stalin | $43,016 | 22 | $71,974 | Apr 26 | - |
| 17 | Amar-te à Meia-Noite | $42,351 | 24 | $42,351 | May 3 | - |
| 18 | Ruth | $38,033 | 43 | $38,110 | May 3 | - |
| 19 | Inconceivable | $36,548 | 24 | $41,456 | May 17 | - |
| 20 | Death Wish | $33,294 | 40 | $144,600 | Apr 19 | - |
| 21 | There's No Place Like Home | $32,616 | 19 | $58,579 | Apr 12 | - |
| 22 | All I See Is You | $23,566 | 18 | $23,566 | May 3 | - |
| 23 | Mrs. Hyde | $18,750 | 7 | $26,925 | May 17 | - |
| 24 | LBJ | $14,859 | 17 | $22,987 | May 24 | - |
| 25 | Frantz | $13,828 | 2 | $20,468 | May 10 | - |
| 26 | Madame | $13,419 | 23 | $204,402 | Apr 5 | Zon Lusomundo Audiovisuais |
| 27 | Return of the Hero | $13,232 | 17 | $14,868 | May 10 | Prisvídeo |
| 28 | The Full House | $12,221 | 9 | $12,221 | May 3 | - |
| 29 | Submergence | $11,415 | 10 | $31,988 | May 24 | - |
| 30 | The Invisibles | $10,816 | 13 | $21,410 | May 24 | - |
| 31 | Winchester | $10,728 | 39 | $203,953 | Apr 12 | - |
| 32 | Hero on the Front | $10,475 | 33 | $139,271 | Apr 12 | - |
| 33 | Maria By Callas | $10,213 | 2 | $16,184 | Apr 26 | - |
| 34 | The Forgiven | $9,994 | 17 | $23,268 | Apr 26 | - |
| 35 | How to Talk to Girls at Parties | $8,082 | 15 | $9,506 | May 24 | - |
| 36 | All I Wish | $7,975 | 12 | $12,366 | May 24 | - |
| 37 | Beyond the Edge | $7,779 | 10 | $7,779 | May 17 | - |
| 38 | The Big Bad Fox and Other Tales | $7,316 | 18 | $14,764 | Apr 26 | Cinemundo |
| 39 | Anon | $7,270 | 19 | $27,859 | May 10 | Zon Lusomundo Audiovisuais |
| 40 | Rudolf the Black Cat | $7,171 | 36 | $53,956 | Apr 12 | Lanterna de Pedra Filmes |
| 41 | Zama | $6,243 | 5 | $6,819 | May 3 | - |
| 42 | Journeyman | $5,951 | 14 | $5,951 | May 10 | - |
| 43 | The Divine Order | $5,818 | 9 | $5,818 | May 17 | - |
| 44 | Terminator 2: Judgment Day 2017 Re-release | $5,376 | 10 | $5,376 | May 3 | - |
| 45 | Luz Obscura | $5,033 | 2 | $5,033 | May 10 | - |
| 46 | Rolling to You | $4,648 | 16 | $54,603 | Apr 12 | - |
| 47 | Mr & Mme Adelman | $4,615 | 6 | $10,919 | May 24 | - |
| 48 | O Labirinto da Saudade | $4,613 | 8 | $10,726 | May 24 | - |
| 49 | Cinema Paradiso 2018 Re-release | $3,994 | 9 | $40,920 | Apr 5 | - |
| 50 | Mom and Dad | $3,944 | 12 | $3,944 | May 10 | - |
| 51 | The Girl in the Fog | $3,300 | 13 | $22,966 | Apr 19 | - |
| 52 | Human Flow | $3,003 | 8 | $4,275 | May 17 | - |
| 53 | 7 Guardians of the Tomb | $2,883 | 2 | $2,883 | May 10 | - |
| 54 | Finding Your Feet | $2,509 | 21 | $40,033 | Apr 12 | - |
| 55 | 17 Girls 2018 Re-release | $2,398 | 4 | $2,398 | May 10 | - |
| 56 | Godard Mon Amour | $1,487 | 4 | $3,502 | May 24 | - |
| 57 | The Place | $1,218 | 6 | $12,551 | Apr 19 | - |
| 58 | In Syria | $1,045 | 3 | $5,864 | Apr 19 | - |
| 59 | Chavela | $1,045 | 2 | $10,979 | Apr 5 | - |
| 60 | Love and Bullets | $563 | 10 | $18,088 | Apr 12 | - |
| 61 | The Carer 2018 Re-release | $481 | 3 | $481 | May 10 | - |
