The 1984 Individual Long Track World Championship was the 14th edition of the FIM speedway Individual Long Track World Championship.^[1] The event was held on 16 September 1984 at the Sandbahn Rennen Herxheim in Herxheim, Germany, which was West Germany at the time.^[2]

The world title was won by Erik Gundersen of Denmark.^[3][4]

Pos	Rider	Heat Pts	Heat Pts	Heat Pts	Heat Pts	Heat Pts	Total Pts
1	Erik Gundersen	5	5	4	5	4	23
2	Egon Müller	4	4	3	3	5	19
3	Karl Maier	5	4	5	x	3	17
4	Peter Collins	5	5	4	2	x	16
5	Finn Rune Jensen	4	5	1	4	2	16
6	Gerd Riss	3	1	4	4	1	13
7	Aleš Dryml Sr.	0	0	5	5	E	10
8	Jiří Štancl	3	3	ef	3	E	9
9	Marcel Gerhard	4	2	1	2	E	9
10	John Titman	0	3	5	ef	E	8
11	Jeremy Doncaster	2	2	3	ef	E	7
12	Hans Nielsen	2	4	ef	1	E	7
13	Ivan Mauger	1	3	1	E	E	5
14	Josef Aigner	1	2	2	E	E	5
15	Hans Otto Pingel	3	1	ef	E	E	4
16	Kai Niemi	2	0	2	E	E	4
17	Les Collins	1	1	2	E	E	4
18	Shawn Moran	ef	0	3	E	E	3

• E = eliminated (no further ride)
• f = fell
• ef = engine failure
• x = excluded