Ikeda Tsuneoki (池田 恒興; 1536 – May 18, 1584) was a daimyo and military commander in the Sengoku period and Azuchi-Momoyama period. He was a retainer of Oda Nobunaga and Toyotomi Hideyoshi.

He was one of four syukuro (四宿老) in the meeting in Kiyosu Castle . He was also known as Ikeda Nobuteru (池田 信輝). He was called Kii-no-kami (紀伊守) since his government post was a Kii-no-kami. His extra name was Syozaburo (勝三郎). He later became a priest, and referred to himself as Syonyu (勝入).

His father was Ikeda Toshitsune, who served Oda Nobuhide. There are various theories as to his birthplace (for example, Owari Province, Mino Province, Settsu Province and Omi Province). He served Nobunaga in his early years, since his mother was a foster mother of Nobunaga. In 1570, he was active in the Battle of Anegawa and became the lord of Inuyama castle . After that, he took part in various battles such as the Battle of Nagashino.

In 1580, he beat Araki Murashige , who locked himself in Hanakuma castle, and was given Murashige's domain. In 1582, he took part in Hashiba Hideyoshi (Toyotomi Hideyoshi)'s force at the Battle of Yamazaki after the Incident at Honnoji, and beat Akechi Mitsuhide. he took part in the meeting in Kiyosu Castle. In 1583, he was given 130,000 koku in Mino Province, and became the lord of Ogaki Castle .

In 1584, he took part in the Battle of Komaki and Nagakute belonging to Hideyoshi. He captured Inuyama castle at the first assault. However, he and his first son, Ikeda Motosuke died in the battle at Nagakute.

His second son, Ikeda Terumasa succeeded to a house after.