This is the complete list of number-one singles in Turkey in 2021 according to Radiomonitor. The list on the left side of the box (Resmi Liste, "the Official List") represents physical and digital track sales as well as music streaming of the Turkish artists, and the one on the right side (Uluslararası Liste, "the International List") is the same thing for non-Turkish artists.
| Date | Song (Official) | Artist (Official) | Song (International) | Artist (International) |
|---|---|---|---|---|
| 1 January | Bir Sebebi Var [1] | İkilem | Take You Dancing [2] [3] [4] [5] | Jason Derulo |
| 8 January | Toy [6] [7] | Mabel Matiz | ||
| 15 January | ||||
| 22 January | Bir Sebebi Var [8] [9] | İkilem | ||
| 29 January | Lovefool [10] [11] | twocolors | ||
| 5 February | Sözüm Söz [12] | Hande Ünsal | ||
| 12 February | Hepsi Geçiyor [13] | Oğuzhan Koç | Lovefool [14] Daisy [15] | twocolors Ashnikko |
| 19 February | Senin Yüzünden [16] [17] | Buray feat. Arem Özgüç & Arman Aydın | Lovefool [18] Lane Moje [19] | twocolors DJ Dark and DJ Iljano |
| 26 February | Whoopty [20] [21] | CJ | ||
| 5 March | Hepsi Geçiyor [22] [23] [24] [25] [26] [27] | Oğuzhan Koç | Astronaut in the Ocean [28] [29] | Masked Wolf |
| 12 March | Astronaut in the Ocean [30] Retrograde [31] | Masked Wolf Aleyna Tilki | ||
| 19 March | Astronaut in the Ocean [32] [33] [34] [35] [36] [37] [38] [39] [40] | Masked Wolf | ||
| 26 March | ||||
| 2 April | ||||
| 9 April | ||||
| 16 April | Seni Soruyorlar [41] | Ersay Üner | ||
| 23 April | Martılar [42] [43] [44] [45] [46] [47] | Edis | ||
| 30 April | ||||
| 7 May | ||||
| 13 May | Friday [48] [49] [50] [51] [52] [53] [54] [55] | Riton and Nightcrawlers ft. Mufasa & Hypeman | ||
| 21 May | ||||
| 28 May | ||||
| 4 June | Benim O [56] | Tuğba Yurt | ||
| 11 June | Martılar [57] | Edis | Montero (Call Me by Your Name) [58] [59] [60] Astronaut in the Ocean [61] [62] [63] | Lil Nas X Masked Wolf |
| 18 June | Benim O [64] [65] [66] | Tuğba Yurt | ||
| 25 June | ||||
| 2 July | The Business [67] [68] | Tiësto | ||
| 9 July | Kanunlar Gibi [69] | Derya Uluğ | Montero (Call Me by Your Name) [70] [71] [72] The Business [73] [74] [75] | Lil Nas X Tiësto |
| 16 July | ||||
| 23 July | ||||
| 30 July | The Business [76] | Tiësto | ||
| 6 August | Montero (Call Me by Your Name) [77] [78] Jalebi Baby [79] [80] | Lil Nas X Tesher | ||
| 13 August | ||||
| 20 August | Kiss Me More [81] Jalebi Baby [82] | Doja Cat feat. SZA Tesher | ||
| 27 August | Iko Iko (My Bestie) [83] Jalebi Baby [84] | Justin Wellington feat. Small Jam Tesher | ||
| 3 September | Love Tonight [85] Step by Step [86] | Shouse Sleepy Chows feat. Antomage & Bromage | ||
| 10 September | Love Tonight [87] [88] | Shouse | ||
| 17 September | Iko Iko (My Bestie) [89] Step by Step [90] | Justin Wellington feat. Small Jam Sleepy Chows feat. Antomage & Bromage | ||
| 24 September | Hay Hay [91] | Hadise | Love Tonight [92] [93] | Shouse |
| 1 October | Yoksa Yasak [94] [95] | Oğuzhan Koç feat. Arem Özgüç & Arman Aydın | Love Tonight [96] [97] Step by Step [98] [99] | Shouse Sleepy Chows feat. Antomage & Bromage |
| 8 October | ||||
| 15 October | Affet Beni Sevgilim [100] | Ege Balkız feat. Burry Soprano | Love Tonight [101] [102] | Shouse |
| 22 October | Hayatım Kaymış [103] | Melek Mosso | Love Tonight [104] Step by Step [105] | Shouse Sleepy Chows feat. Antomage & Bromage |
| 29 October | Love Tonight [106] Love Nwantiti[107] | Shouse CKay feat. Joeboy and Kuami Eugene | ||
| 5 November | Love Nwantiti [108] [109] [110] [111] [112] [113] [114] [115] [116] [117] [118] [119] [120] [121] [122] [123] | CKay feat. Joeboy and Kuami Eugene | ||
| 12 November | ||||
| 19 November | ||||
| 26 November | Arıyorum [124] | Edis | ||
| 3 December | Hayatım Kaymış [125] [126] [127] | Melek Mosso | ||
| 10 December | ||||
| 17 December | ||||
| 24 December | Arıyorum [128] | Edis |