:Kitei no Tsurugi

{{Infobox song

| name = Kitei no Tsurugi

| cover = Kitei_no_tsurugi.jpg

| alt =

| type = single

| artist = Ali Project

| album =

| B-side = Nakigara no Onna

| released = November 19, 2008

| recorded = 2008

| studio =

| venue =

| genre = J-Pop

| length =

| label = Victor Entertainment

| composer =

| lyricist =

| producer =

| prev_title = Waga Rōtashi Aku no Hana

| prev_year = 2008

| next_title = Rara Eve Shinseiki

| next_year = 2009

}}

{{nihongo|"Kitei no Tsurugi"|鬼帝の剣||"the Sword of the Demon Emperor"}} is Ali Project's 22nd single. This single was released on November 19, 2008 under the Victor Entertainment label.

The single title was used as the opening theme for the anime series Linebarrels of Iron. This single garnered the #9 spot in the Oricon weekly charts and charted for 9 weeks.{{cite web | title = ＡＬＩ ＰＲＯＪＥＣＴ-リリース-ORICON STYLE ミュージック | url = http://www.oricon.co.jp/music/release/d/789401/1/ | accessdate = 2009-03-24 | language = Japanese}}

This single's catalog number is VTCL-35050.