# List of songs written by Ki Hui-hyeon

Ki Hui-hyeon (born June 16, 1995), better known by the mononym Huihyun and former stage name Cathy, is a South Korean singer and rapper. She is best known as a member of the South Korean girl group DIA.
All song credits are adapted from the Korea Music Copyright Association's database, unless otherwise noted.

## Solo works

| Year | Song | Album | Lyrics | Lyrics | Music | Music | Arrangement | Arrangement |
| Year | Song | Album | Credited | With | Credited | With | Credited | With |
| 2016 | "화가" | Spell | Yes | — | Yes | 똘아이박, Peterpan | No | — |
| 2017 | "There Is No Time" (featuring Chungha) | YOLO | Yes | Slapstick | Yes | Slapstick | No | — |

## DIA and sub-unit works

| Year | Artist(s) | Song | Album | Lyrics | Lyrics | Music | Music | Arrangement | Arrangement |
| Year | Artist(s) | Song | Album | Credited | With | Credited | With | Credited | With |
| 2015 | DIA | "Music Lover" | Do It Amazing | No | — | Yes | Shinsadong Tiger | No | — |
| 2016 | DIA | "Happy Ending" | Happy Ending | Yes | Iggy, Seo Young-bae | No | — | No | — |
| 2016 | DIA | "On The Road" | Happy Ending | Yes | Iggy, Seo Young-bae | No | — | No | — |
| 2016 | DIA | "The Trainee" | Happy Ending | Yes | DIA | No | — | No | — |
| 2016 | DIA | "Waiting For You" (DIA version) | Happy Ending | Yes | Baek Ye-bin | No | — | No | — |
| 2016 | DIA | "7과 4분의3 (널+만나러+가는+길)" | Spell | Yes | Shaun Kim, STAINBOYS, Baek Ye-bin | Yes | Shaun Kim, STAINBOYS | No | Shaun Kim, STAINBOYS |
| 2016 | DIA | "Flower, Wind and You" (DIA version) | Spell | Yes | 똘아이박, Peterpan | No | — | No | — |
| 2016 | DIA | "#더럽" (The Love...) | Spell | Yes | 노는어린이, Yoon Young-min, DIA | No | — | No | — |
| 2016 | BinChaenHyunSeu | "너는 달 지구" | First Miracle DIAID I | Yes | Eunice, Chaeyeon, Yebin | Yes | Eunice, Chaeyeon, Yebin, 똘아이박, Peter Pan | No | — |
| 2017 | DIA | "Will You Go Out With Me?" (나랑 사귈래) | YOLO | Yes | Eunice, Jenny, Yebin, Eunjin, Chaeyeon, Ddoli Park, Peter Pan | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "Boyfriend" (남.사.친) | YOLO | Yes | Eunice, Jenny, Yebin, Eunjin, Yoon Young Min, Kim Won Hyun | Yes | Eunice, Jenny, Yoon Young Min, Kim Won Hyun, Kim Dong Ha | No | — |
| 2017 | DIA | "April" (사월) (featuring Din Din) | YOLO | Yes | Eunjin, Yebin, Face Of Glory, Jin Ri, Din Din | No | — | No | — |
| 2017 | DIA | "Mannequin" (마네킹) | YOLO | Yes | Eunice, Jenny, Eunjin, Yebin, Chaeyeon, Stainboys | Yes | Eunice, Jenny, Yebin, Chaeyeon, Stainboys | No | — |
| 2017 | DIA | "Light" (빛) | YOLO | Yes | Eunice, Jenny, Eunjin, Yebin, Eunchae, Ddoli Park, Peter Pan | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "Listen To This Song" (이 노래 들어볼래) | YOLO | Yes | Eunjin, Yebin, Face Of Glory, Jin Ri, Din Din | No | — | No | — |
| 2017 | DIA | "Not Only You But Spring" (너만 모르나 봄) | YOLO | Yes | Eunjin, Yebin, Eunchae, Kim Won-hyun | No | — | No | — |
| 2017 | DIA | "Independence Movement Day" (乾坤坎離) | YOLO | Yes | Eunice, Jenny, Eunjin, Yebin, Chaeyeon, Eunchae | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "Will You Go Out With Me?" (2016) | YOLO | Yes | Eunice, Jenny, Eunjin, Yebin, Chaeyeon, Ddoli Park, Peter Pan | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "Wanna Date Me" (댄스) | YOLO | Yes | Eunice, Jenny | Yes | Eunice, Jenny, Yebin | No | — |
| 2017 | DIA | "Will You Go Out With Me?" (Ballad version) | YOLO | Yes | Eunice, Jenny, Eunjin, Yebin, Chaeyeon, Ddoli Park, Peter Pan | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "Will You Go Out With Me?" (instrumental) | YOLO | No | — | Yes | Eunice, Jenny, Yebin, Ddoli Park, Peter Pan | No | — |
| 2017 | DIA | "LO OK" | Love Generation | Yes | e.one, Choi Hyun-jun | No | — | No | — |
| 2017 | DIA | "#GMGN" (Good Morning & Good Night) | Love Generation | Yes | Stainboys, Eunjin | No | — | No | — |
| 2017 | DIA | "Paradise" (파라다이스) | Love Generation | Yes | Stainboys, Eunjin | No | — | No | — |
| 2018 | DIA | "Blue Day" | Summer Ade | Yes | Peter Pan, Lee Jun Hwan, Wooki | No | — | No | — |
| 2019 | DIA | "5 More Minutes" | Newtro | Yes | Peter Pan, Lee Jun Hwan, RUBATOV | No | — | No | — |
| 2022 | DIA | "Rooting for You" | Rooting for You | Yes | Superhuman, Peter Pan | Yes | Superhuman, Jung Da Sol | No | Superhuman |

## Other artists

| Year | Artist(s) | Song | Album | Lyrics | Lyrics | Music | Music | Arrangement | Arrangement |
| Year | Artist(s) | Song | Album | Credited | With | Credited | With | Credited | With |
| 2016 | Eunchae | "Remember" | Happy Ending | No | — | Yes | Baek Ye-bin | No | — |
| 2022 | Soul People | "Winter in Your Eyes" (너의 눈에 겨울) | Winter in Your Eyes | Yes | 숲속의 바람, Go Ni, Hong Sin Ri | No | — | No | — |
| 2022 | Lee Ju Hyuk | "Meet You at the Laundromat" (세탁소에서 만나요) | Meet You at the Laundromat | Yes | Oh Sung Hun | No | — | No | — |
| 2022 | Song Ha Yea | "Don't Be Nice to Me" (함부로 다정하게) | Don't Be Nice to Me | Yes | Oh Sung Hun | No | — | No | — |

## Other works

| Year | Artist(s) | Song | Album | Lyrics | Lyrics | Music | Music | Arrangement | Arrangement |
| Year | Artist(s) | Song | Album | Credited | With | Credited | With | Credited | With |
| 2016 | Huihyeon, Chungha, Yoojung, Somi | "Flower, Wind and You" | Non-album single | Yes | Peterpan | No | — | No | — |