James Aaron Kellermann (born 11 December 1994) is an English footballer who plays as a midfielder for Kidderminster Harriers on loan from National League club Ebbsfleet United.

Kellermann spent his early career with Kidderminster Lions and Stourport Swifts before signing for Wolverhampton Wanderers at the age of 14.

[13] Kellermann made his debut for Tamworth in a Southern League Premier Division Central fixture on 17 August 2021 at home to Coalville Town; he played up until the 93rd minute, when he was substituted for defender Tom Ward, the match finished 1-1.

[14] He scored his first goal for the club in the next Southern League Premier Division Central fixture at home to Lowestoft Town on 21 August 2021.

[22] On 28 May 2024, Kellerman agreed to join fellow National League side Ebbsfleet United upon the expiration of his contract with Woking.