:Hatsukoi (Masaharu Fukuyama song)

{{Use dmy dates|date=November 2019}}

{{Infobox song

| name = Hatsukoi

| cover = Hatsukoi_CD_Cover.jpg

| alt =

| type = single

| artist = Masaharu Fukuyama

| album = The Best Bang!!

| B-side = {{ubl|"On and On 09"|"Ammonite no Yume"}}

| released = 16 December 2009

| format =

| recorded =

| studio =

| venue =

| genre = J-pop

| length =

| label = Universal Music Japan

| writer = Masaharu Fukuyama

| producer = Masaharu Fukuyama

| prev_title = Keshin

| prev_year = 2009

| next_title = Hotaru/Shōnen

| next_year = 2010

}}

{{Nihongo|"Hatsukoi"|はつ恋|lit. "First Love"}} is the twenty-fifth single by Japanese artist Masaharu Fukuyama. It was released on 16 December 2009. {{Nihongo|"Hatsukoi"|はつ恋}} has a tied in with Toshiba Regza Fall/Winter CM. "On and On 09'" is the re-worked version of "On and On," which was performed in Mischishirube 20th Anniversary Tour. {{Nihongo|"Anmonite No Yume"|アンモナイトの夢}} is an instrumental piece used in Dunlop CM. This single was released in three versions- Limited Edition T-shirt, (designed by Lily Franky), Limited Edition DVD (which includes the PV for Hatsukoi) and Normal Edition. Fukuyama decided to release "Hatsukoi" as a single due to the public demands. He also performed the song in NHK's Kōhaku Uta Gassen, live via satellite from Glover Garden in Nagasaki.