Name: Takahashi Ai (高橋愛)

| Nicknames: Ai-chan, Lovely, Takitty, Tettekete
| Birthdate: September 14, 1986
| Birthplace: Sakai, Fukui Prefecture, Japan
| Blood type: A
| Height: 153.3 cm (5′0.35″)
| Hobbies: Watching plays, ballet [1]
| Specialty: Flipping her eyelids, bridge [2]
| Favorite food: Sauce katsudon, omelette rice
| Disliked food: Mont blanc, eggplant, pineapple, musubi, perilla leaves
| Favorite color: Black, white, pink
| Favorite word: “Tomodachi” (友達 – “Friend”)
| Favorite season: Autumn
| Favorite flowers: Roses
| Favorite song: Tsumetai Umi / Start in My Life by Kuraki Mai
| Hello! Project Groups: Morning Musume (2001–), High-King (2008)
| Subgroups: Minimoni (2003–2004), Morning Musume Sakura Gumi (2003–2004)
| Concert Units: Hello! Project Akagumi (2005), Wonderful Hearts (2006–)
| Shuffle Units:  2002: Happy 7, 2003: 7AIR, 2004: H.P. All Stars, 2005: Elegies
| Other: POCKY GIRLS (2002), Metro Rabbits H.P. (2006–)

Ai Takahashi (高橋 愛, Takahashi Ai, born September 14, 1986) is a Japanese pop singer associated with Hello! Project, best known as the current leader of Morning Musume and former member of its popular subgroup, Mini Moni.